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Finding the Fourth Proportional to 266,472.62, 367,716.73 and 145,614.90

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Solution

The fourth proportional to 266,472.62, 367,716.73 and 145,614.90 is: 200,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,472.62 : 367,716.73 = 145,614.90 : x
  2. Step 2: Convert to fraction form
    266,472.62/367,716.73 = 145,614.90/x
  3. Step 3: Cross multiply
    266,472.62x = 367,716.73 × 145,614.90
  4. Step 4: Simplify right side
    266,472.62x = 53,545,034,867.28
  5. Step 5: Solve for x
    x = 53,545,034,867.28/266,472.62
  6. Step 6: Final answer
    x = 200,940.10

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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.