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Finding the Fourth Proportional to 267,276.52, 400,961.10 and 89,800.84

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Solution

The fourth proportional to 267,276.52, 400,961.10 and 89,800.84 is: 134,716.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,276.52 : 400,961.10 = 89,800.84 : x
  2. Step 2: Convert to fraction form
    267,276.52/400,961.10 = 89,800.84/x
  3. Step 3: Cross multiply
    267,276.52x = 400,961.10 × 89,800.84
  4. Step 4: Simplify right side
    267,276.52x = 36,006,643,587.32
  5. Step 5: Solve for x
    x = 36,006,643,587.32/267,276.52
  6. Step 6: Final answer
    x = 134,716.82

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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.