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Finding the Fourth Proportional to 266,349.97, 367,560.78 and 145,491.29

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Solution

The fourth proportional to 266,349.97, 367,560.78 and 145,491.29 is: 200,776.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,349.97 : 367,560.78 = 145,491.29 : x
  2. Step 2: Convert to fraction form
    266,349.97/367,560.78 = 145,491.29/x
  3. Step 3: Cross multiply
    266,349.97x = 367,560.78 × 145,491.29
  4. Step 4: Simplify right side
    266,349.97x = 53,476,892,035.61
  5. Step 5: Solve for x
    x = 53,476,892,035.61/266,349.97
  6. Step 6: Final answer
    x = 200,776.79

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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.