Fouch, who owned the overnight lead, won the The Power of a Dream Golf Classic at 1-under-par 212, beating Violeta Retamoza by one shot.
She claimed $11,200 for the title won by current LPGA Tour players Hye Jung Choi last year.
Retamoza closed with a 4-under 67 -- tied for the best score in the final round -- and finished alone in second place at even-par 213. She earned an $8,000 check.
Ji Min Jeong had a 73 and finished in third place at 2-over 215, while Meredith Ward (74), Yeon Joo Lee (71), Lisa Ferrero (70) and Jordan Cherebetiu (68) were a shot further back at 217.