Finding the Fourth Proportional to 88,729,161.60, 132,869,793.60 and 58,272,124.80
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Solution
The fourth proportional to 88,729,161.60, 132,869,793.60 and 58,272,124.80 is: 87,261,110.72
Step by Step Solution
- Step 1: Write the proportion equation
88,729,161.60 : 132,869,793.60 = 58,272,124.80 : x - Step 2: Convert to fraction form
88,729,161.60/132,869,793.60 = 58,272,124.80/x - Step 3: Cross multiply
88,729,161.60x = 132,869,793.60 × 58,272,124.80 - Step 4: Simplify right side
88,729,161.60x = 7,742,605,194,809,441 - Step 5: Solve for x
x = 7,742,605,194,809,441/88,729,161.60 - Step 6: Final answer
x = 87,261,110.72
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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.