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Finding the Fourth Proportional to 567,789.92, 851,862.53 and 168,432.78

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Solution

The fourth proportional to 567,789.92, 851,862.53 and 168,432.78 is: 252,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,789.92 : 851,862.53 = 168,432.78 : x
  2. Step 2: Convert to fraction form
    567,789.92/851,862.53 = 168,432.78/x
  3. Step 3: Cross multiply
    567,789.92x = 851,862.53 × 168,432.78
  4. Step 4: Simplify right side
    567,789.92x = 143,481,574,105.73
  5. Step 5: Solve for x
    x = 143,481,574,105.73/567,789.92
  6. Step 6: Final answer
    x = 252,701.87

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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.