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Finding the Fourth Proportional to 226,591.67, 339,654.22 and 121,382.39

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Solution

The fourth proportional to 226,591.67, 339,654.22 and 121,382.39 is: 181,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,591.67 : 339,654.22 = 121,382.39 : x
  2. Step 2: Convert to fraction form
    226,591.67/339,654.22 = 121,382.39/x
  3. Step 3: Cross multiply
    226,591.67x = 339,654.22 × 121,382.39
  4. Step 4: Simplify right side
    226,591.67x = 41,228,038,995.46
  5. Step 5: Solve for x
    x = 41,228,038,995.46/226,591.67
  6. Step 6: Final answer
    x = 181,948.61

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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.