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Finding the Fourth Proportional to 225,067.90, 337,390.65 and 84,920.70

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Solution

The fourth proportional to 225,067.90, 337,390.65 and 84,920.70 is: 127,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,067.90 : 337,390.65 = 84,920.70 : x
  2. Step 2: Convert to fraction form
    225,067.90/337,390.65 = 84,920.70/x
  3. Step 3: Cross multiply
    225,067.90x = 337,390.65 × 84,920.70
  4. Step 4: Simplify right side
    225,067.90x = 28,651,450,171.46
  5. Step 5: Solve for x
    x = 28,651,450,171.46/225,067.90
  6. Step 6: Final answer
    x = 127,301.36

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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.