Finding the Fourth Proportional to 112,332,645.60, 168,517,630.80 and 44,177,560.80
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Solution
The fourth proportional to 112,332,645.60, 168,517,630.80 and 44,177,560.80 is: 66,273,680.65
Step by Step Solution
- Step 1: Write the proportion equation
112,332,645.60 : 168,517,630.80 = 44,177,560.80 : x - Step 2: Convert to fraction form
112,332,645.60/168,517,630.80 = 44,177,560.80/x - Step 3: Cross multiply
112,332,645.60x = 168,517,630.80 × 44,177,560.80 - Step 4: Simplify right side
112,332,645.60x = 7,444,697,880,538,953 - Step 5: Solve for x
x = 7,444,697,880,538,953/112,332,645.60 - Step 6: Final answer
x = 66,273,680.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.