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Finding the Fourth Proportional to 229,898.52, 344,399.40 and 129,755.76

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Solution

The fourth proportional to 229,898.52, 344,399.40 and 129,755.76 is: 194,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,898.52 : 344,399.40 = 129,755.76 : x
  2. Step 2: Convert to fraction form
    229,898.52/344,399.40 = 129,755.76/x
  3. Step 3: Cross multiply
    229,898.52x = 344,399.40 × 129,755.76
  4. Step 4: Simplify right side
    229,898.52x = 44,687,805,890.54
  5. Step 5: Solve for x
    x = 44,687,805,890.54/229,898.52
  6. Step 6: Final answer
    x = 194,380.57

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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.