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Finding the Fourth Proportional to 266,169.48, 399,105.18 and 88,579.62

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Solution

The fourth proportional to 266,169.48, 399,105.18 and 88,579.62 is: 132,819.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,169.48 : 399,105.18 = 88,579.62 : x
  2. Step 2: Convert to fraction form
    266,169.48/399,105.18 = 88,579.62/x
  3. Step 3: Cross multiply
    266,169.48x = 399,105.18 × 88,579.62
  4. Step 4: Simplify right side
    266,169.48x = 35,352,585,184.43
  5. Step 5: Solve for x
    x = 35,352,585,184.43/266,169.48
  6. Step 6: Final answer
    x = 132,819.83

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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.