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Finding the Fourth Proportional to 267,343.94, 400,884.62 and 132,251.91

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Solution

The fourth proportional to 267,343.94, 400,884.62 and 132,251.91 is: 198,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,343.94 : 400,884.62 = 132,251.91 : x
  2. Step 2: Convert to fraction form
    267,343.94/400,884.62 = 132,251.91/x
  3. Step 3: Cross multiply
    267,343.94x = 400,884.62 × 132,251.91
  4. Step 4: Simplify right side
    267,343.94x = 53,017,756,023.36
  5. Step 5: Solve for x
    x = 53,017,756,023.36/267,343.94
  6. Step 6: Final answer
    x = 198,312.92

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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.