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Finding the Fourth Proportional to 80,763.88, 121,151.96 and 24,608.78

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Solution

The fourth proportional to 80,763.88, 121,151.96 and 24,608.78 is: 36,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,763.88 : 121,151.96 = 24,608.78 : x
  2. Step 2: Convert to fraction form
    80,763.88/121,151.96 = 24,608.78/x
  3. Step 3: Cross multiply
    80,763.88x = 121,151.96 × 24,608.78
  4. Step 4: Simplify right side
    80,763.88x = 2,981,401,930.21
  5. Step 5: Solve for x
    x = 2,981,401,930.21/80,763.88
  6. Step 6: Final answer
    x = 36,915.04

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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.