HOUSEHOLD INT'L <HI> PROJECTS EARNINGS RISE Household International Inc said it expects its fully diluted earnings per share for the first quarter to be about 35 pct above the same year-ago period. It also looks for 1987 full-year fully diluted earnings to be about 20 pct higher than the record 4.31 dlrs a share reported for 1986. Chairman Donald Clark, in remarks prepared for delivery to New York security analysts, cited increased earnings from Household Financial Services and "excellent return on equity from Household Manufacturing, combined with the impact of our share repurchase program, will result in higher earnings per share and improved return on equity in 1987."