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Finding the Fourth Proportional to 267,132.60, 400,358.70 and 109,182.60

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Solution

The fourth proportional to 267,132.60, 400,358.70 and 109,182.60 is: 163,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,132.60 : 400,358.70 = 109,182.60 : x
  2. Step 2: Convert to fraction form
    267,132.60/400,358.70 = 109,182.60/x
  3. Step 3: Cross multiply
    267,132.60x = 400,358.70 × 109,182.60
  4. Step 4: Simplify right side
    267,132.60x = 43,712,203,798.62
  5. Step 5: Solve for x
    x = 43,712,203,798.62/267,132.60
  6. Step 6: Final answer
    x = 163,634.85

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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.