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Finding the Fourth Proportional to 266,169.38, 399,323.20 and 133,044.26

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Solution

The fourth proportional to 266,169.38, 399,323.20 and 133,044.26 is: 199,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,169.38 : 399,323.20 = 133,044.26 : x
  2. Step 2: Convert to fraction form
    266,169.38/399,323.20 = 133,044.26/x
  3. Step 3: Cross multiply
    266,169.38x = 399,323.20 × 133,044.26
  4. Step 4: Simplify right side
    266,169.38x = 53,127,659,644.83
  5. Step 5: Solve for x
    x = 53,127,659,644.83/266,169.38
  6. Step 6: Final answer
    x = 199,600.94

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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.