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Finding the Fourth Proportional to 225,656.73, 338,536.17 and 75,892.91

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Solution

The fourth proportional to 225,656.73, 338,536.17 and 75,892.91 is: 113,856.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,656.73 : 338,536.17 = 75,892.91 : x
  2. Step 2: Convert to fraction form
    225,656.73/338,536.17 = 75,892.91/x
  3. Step 3: Cross multiply
    225,656.73x = 338,536.17 × 75,892.91
  4. Step 4: Simplify right side
    225,656.73x = 25,692,493,388.87
  5. Step 5: Solve for x
    x = 25,692,493,388.87/225,656.73
  6. Step 6: Final answer
    x = 113,856.54

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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.