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Finding the Fourth Proportional to 266,472.57, 367,732.17 and 143,964.93

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Solution

The fourth proportional to 266,472.57, 367,732.17 and 143,964.93 is: 198,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,472.57 : 367,732.17 = 143,964.93 : x
  2. Step 2: Convert to fraction form
    266,472.57/367,732.17 = 143,964.93/x
  3. Step 3: Cross multiply
    266,472.57x = 367,732.17 × 143,964.93
  4. Step 4: Simplify right side
    266,472.57x = 52,940,536,112.80
  5. Step 5: Solve for x
    x = 52,940,536,112.80/266,472.57
  6. Step 6: Final answer
    x = 198,671.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.