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Finding the Fourth Proportional to 234,761.87, 352,101.89 and 108,391.34

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Solution

The fourth proportional to 234,761.87, 352,101.89 and 108,391.34 is: 162,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,761.87 : 352,101.89 = 108,391.34 : x
  2. Step 2: Convert to fraction form
    234,761.87/352,101.89 = 108,391.34/x
  3. Step 3: Cross multiply
    234,761.87x = 352,101.89 × 108,391.34
  4. Step 4: Simplify right side
    234,761.87x = 38,164,794,184.10
  5. Step 5: Solve for x
    x = 38,164,794,184.10/234,761.87
  6. Step 6: Final answer
    x = 162,568.12

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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.