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Finding the Fourth Proportional to 452,951.92, 679,532.76 and 133,108.66

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Solution

The fourth proportional to 452,951.92, 679,532.76 and 133,108.66 is: 199,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,951.92 : 679,532.76 = 133,108.66 : x
  2. Step 2: Convert to fraction form
    452,951.92/679,532.76 = 133,108.66/x
  3. Step 3: Cross multiply
    452,951.92x = 679,532.76 × 133,108.66
  4. Step 4: Simplify right side
    452,951.92x = 90,451,695,109.70
  5. Step 5: Solve for x
    x = 90,451,695,109.70/452,951.92
  6. Step 6: Final answer
    x = 199,693.81

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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.