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Finding the Fourth Proportional to 225,489.78, 337,764.06 and 135,246.32

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Solution

The fourth proportional to 225,489.78, 337,764.06 and 135,246.32 is: 202,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,489.78 : 337,764.06 = 135,246.32 : x
  2. Step 2: Convert to fraction form
    225,489.78/337,764.06 = 135,246.32/x
  3. Step 3: Cross multiply
    225,489.78x = 337,764.06 × 135,246.32
  4. Step 4: Simplify right side
    225,489.78x = 45,681,344,454.44
  5. Step 5: Solve for x
    x = 45,681,344,454.44/225,489.78
  6. Step 6: Final answer
    x = 202,587.21

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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.