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Finding the Fourth Proportional to 226,397.70, 339,608.17 and 57,919.48

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Solution

The fourth proportional to 226,397.70, 339,608.17 and 57,919.48 is: 86,882.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,397.70 : 339,608.17 = 57,919.48 : x
  2. Step 2: Convert to fraction form
    226,397.70/339,608.17 = 57,919.48/x
  3. Step 3: Cross multiply
    226,397.70x = 339,608.17 × 57,919.48
  4. Step 4: Simplify right side
    226,397.70x = 19,669,928,610.15
  5. Step 5: Solve for x
    x = 19,669,928,610.15/226,397.70
  6. Step 6: Final answer
    x = 86,882.19

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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.