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Finding the Fourth Proportional to 267,067.26, 400,654.56 and 98,588.64

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Solution

The fourth proportional to 267,067.26, 400,654.56 and 98,588.64 is: 147,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,067.26 : 400,654.56 = 98,588.64 : x
  2. Step 2: Convert to fraction form
    267,067.26/400,654.56 = 98,588.64/x
  3. Step 3: Cross multiply
    267,067.26x = 400,654.56 × 98,588.64
  4. Step 4: Simplify right side
    267,067.26x = 39,499,988,180.20
  5. Step 5: Solve for x
    x = 39,499,988,180.20/267,067.26
  6. Step 6: Final answer
    x = 147,902.77

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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.