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Finding the Fourth Proportional to 221,793.68, 332,691.96 and 88,685.12

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Solution

The fourth proportional to 221,793.68, 332,691.96 and 88,685.12 is: 133,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,793.68 : 332,691.96 = 88,685.12 : x
  2. Step 2: Convert to fraction form
    221,793.68/332,691.96 = 88,685.12/x
  3. Step 3: Cross multiply
    221,793.68x = 332,691.96 × 88,685.12
  4. Step 4: Simplify right side
    221,793.68x = 29,504,826,395.64
  5. Step 5: Solve for x
    x = 29,504,826,395.64/221,793.68
  6. Step 6: Final answer
    x = 133,028.26

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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.