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Finding the Fourth Proportional to 225,757.15, 338,654.15 and 113,379.56

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Solution

The fourth proportional to 225,757.15, 338,654.15 and 113,379.56 is: 170,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,757.15 : 338,654.15 = 113,379.56 : x
  2. Step 2: Convert to fraction form
    225,757.15/338,654.15 = 113,379.56/x
  3. Step 3: Cross multiply
    225,757.15x = 338,654.15 × 113,379.56
  4. Step 4: Simplify right side
    225,757.15x = 38,396,457,952.28
  5. Step 5: Solve for x
    x = 38,396,457,952.28/225,757.15
  6. Step 6: Final answer
    x = 170,078.59

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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.