Question 995094
Let first number be 5x, second number be x, third number be 2x
5x+x+2x=105
8x=105
x=13.125
5x=13.125×5
5x=65.625
2x=13.125×2
2x=26.25

Hence, the three numbers are 65.625, 13.125 and 26.25