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Finding the Fourth Proportional to 234,861.38, 352,287.95 and 162,747.79

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Solution

The fourth proportional to 234,861.38, 352,287.95 and 162,747.79 is: 244,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,861.38 : 352,287.95 = 162,747.79 : x
  2. Step 2: Convert to fraction form
    234,861.38/352,287.95 = 162,747.79/x
  3. Step 3: Cross multiply
    234,861.38x = 352,287.95 × 162,747.79
  4. Step 4: Simplify right side
    234,861.38x = 57,334,085,306.13
  5. Step 5: Solve for x
    x = 57,334,085,306.13/234,861.38
  6. Step 6: Final answer
    x = 244,118.83

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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.