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Finding the Fourth Proportional to 225,422.12, 337,910.82 and 125,629.31

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Solution

The fourth proportional to 225,422.12, 337,910.82 and 125,629.31 is: 188,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,422.12 : 337,910.82 = 125,629.31 : x
  2. Step 2: Convert to fraction form
    225,422.12/337,910.82 = 125,629.31/x
  3. Step 3: Cross multiply
    225,422.12x = 337,910.82 × 125,629.31
  4. Step 4: Simplify right side
    225,422.12x = 42,451,501,468.58
  5. Step 5: Solve for x
    x = 42,451,501,468.58/225,422.12
  6. Step 6: Final answer
    x = 188,320.04

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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.