Finding the Fourth Proportional to 125,491,599.68, 173,182,608.24 and 69,739,370.24
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Solution
The fourth proportional to 125,491,599.68, 173,182,608.24 and 69,739,370.24 is: 96,242,665.37
Step by Step Solution
- Step 1: Write the proportion equation
125,491,599.68 : 173,182,608.24 = 69,739,370.24 : x - Step 2: Convert to fraction form
125,491,599.68/173,182,608.24 = 69,739,370.24/x - Step 3: Cross multiply
125,491,599.68x = 173,182,608.24 × 69,739,370.24 - Step 4: Simplify right side
125,491,599.68x = 12,077,646,035,178,234 - Step 5: Solve for x
x = 12,077,646,035,178,234/125,491,599.68 - Step 6: Final answer
x = 96,242,665.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.