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Finding the Fourth Proportional to 267,242.52, 400,863.78 and 109,442.28

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Solution

The fourth proportional to 267,242.52, 400,863.78 and 109,442.28 is: 164,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,242.52 : 400,863.78 = 109,442.28 : x
  2. Step 2: Convert to fraction form
    267,242.52/400,863.78 = 109,442.28/x
  3. Step 3: Cross multiply
    267,242.52x = 400,863.78 × 109,442.28
  4. Step 4: Simplify right side
    267,242.52x = 43,871,446,052.62
  5. Step 5: Solve for x
    x = 43,871,446,052.62/267,242.52
  6. Step 6: Final answer
    x = 164,163.42

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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.