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Finding the Fourth Proportional to 229,769.52, 344,654.32 and 71,997.92

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Solution

The fourth proportional to 229,769.52, 344,654.32 and 71,997.92 is: 107,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,769.52 : 344,654.32 = 71,997.92 : x
  2. Step 2: Convert to fraction form
    229,769.52/344,654.32 = 71,997.92/x
  3. Step 3: Cross multiply
    229,769.52x = 344,654.32 × 71,997.92
  4. Step 4: Simplify right side
    229,769.52x = 24,814,394,159.01
  5. Step 5: Solve for x
    x = 24,814,394,159.01/229,769.52
  6. Step 6: Final answer
    x = 107,996.89

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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.