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Finding the Fourth Proportional to 234,687.60, 323,868.24 and 127,257.30

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Solution

The fourth proportional to 234,687.60, 323,868.24 and 127,257.30 is: 175,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,687.60 : 323,868.24 = 127,257.30 : x
  2. Step 2: Convert to fraction form
    234,687.60/323,868.24 = 127,257.30/x
  3. Step 3: Cross multiply
    234,687.60x = 323,868.24 × 127,257.30
  4. Step 4: Simplify right side
    234,687.60x = 41,214,597,778.15
  5. Step 5: Solve for x
    x = 41,214,597,778.15/234,687.60
  6. Step 6: Final answer
    x = 175,614.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.