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Finding the Fourth Proportional to 229,773.52, 344,660.32 and 72,001.92

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Solution

The fourth proportional to 229,773.52, 344,660.32 and 72,001.92 is: 108,002.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,773.52 : 344,660.32 = 72,001.92 : x
  2. Step 2: Convert to fraction form
    229,773.52/344,660.32 = 72,001.92/x
  3. Step 3: Cross multiply
    229,773.52x = 344,660.32 × 72,001.92
  4. Step 4: Simplify right side
    229,773.52x = 24,816,204,787.81
  5. Step 5: Solve for x
    x = 24,816,204,787.81/229,773.52
  6. Step 6: Final answer
    x = 108,002.89

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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.