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Finding the Fourth Proportional to 88,024.60, 131,891.10 and 74,902.60

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Solution

The fourth proportional to 88,024.60, 131,891.10 and 74,902.60 is: 112,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,024.60 : 131,891.10 = 74,902.60 : x
  2. Step 2: Convert to fraction form
    88,024.60/131,891.10 = 74,902.60/x
  3. Step 3: Cross multiply
    88,024.60x = 131,891.10 × 74,902.60
  4. Step 4: Simplify right side
    88,024.60x = 9,878,986,306.86
  5. Step 5: Solve for x
    x = 9,878,986,306.86/88,024.60
  6. Step 6: Final answer
    x = 112,229.83

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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.