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Finding the Fourth Proportional to 234,917.22, 352,372.76 and 57,425.78

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Solution

The fourth proportional to 234,917.22, 352,372.76 and 57,425.78 is: 86,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,917.22 : 352,372.76 = 57,425.78 : x
  2. Step 2: Convert to fraction form
    234,917.22/352,372.76 = 57,425.78/x
  3. Step 3: Cross multiply
    234,917.22x = 352,372.76 × 57,425.78
  4. Step 4: Simplify right side
    234,917.22x = 20,235,280,593.75
  5. Step 5: Solve for x
    x = 20,235,280,593.75/234,917.22
  6. Step 6: Final answer
    x = 86,137.92

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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.