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Finding the Fourth Proportional to 267,397.00, 400,961.95 and 87,458.94

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Solution

The fourth proportional to 267,397.00, 400,961.95 and 87,458.94 is: 131,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,397.00 : 400,961.95 = 87,458.94 : x
  2. Step 2: Convert to fraction form
    267,397.00/400,961.95 = 87,458.94/x
  3. Step 3: Cross multiply
    267,397.00x = 400,961.95 × 87,458.94
  4. Step 4: Simplify right side
    267,397.00x = 35,067,706,908.69
  5. Step 5: Solve for x
    x = 35,067,706,908.69/267,397.00
  6. Step 6: Final answer
    x = 131,144.73

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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.