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Finding the Fourth Proportional to 234,845.20, 352,114.80 and 154,640.56

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Solution

The fourth proportional to 234,845.20, 352,114.80 and 154,640.56 is: 231,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,845.20 : 352,114.80 = 154,640.56 : x
  2. Step 2: Convert to fraction form
    234,845.20/352,114.80 = 154,640.56/x
  3. Step 3: Cross multiply
    234,845.20x = 352,114.80 × 154,640.56
  4. Step 4: Simplify right side
    234,845.20x = 54,451,229,856.29
  5. Step 5: Solve for x
    x = 54,451,229,856.29/234,845.20
  6. Step 6: Final answer
    x = 231,860.09

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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.