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Finding the Fourth Proportional to 266,046.30, 399,072.96 and 88,553.34

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Solution

The fourth proportional to 266,046.30, 399,072.96 and 88,553.34 is: 132,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,046.30 : 399,072.96 = 88,553.34 : x
  2. Step 2: Convert to fraction form
    266,046.30/399,072.96 = 88,553.34/x
  3. Step 3: Cross multiply
    266,046.30x = 399,072.96 × 88,553.34
  4. Step 4: Simplify right side
    266,046.30x = 35,339,243,511.69
  5. Step 5: Solve for x
    x = 35,339,243,511.69/266,046.30
  6. Step 6: Final answer
    x = 132,831.18

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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.