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Finding the Fourth Proportional to 267,249.60, 401,101.20 and 109,591.20

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Solution

The fourth proportional to 267,249.60, 401,101.20 and 109,591.20 is: 164,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,249.60 : 401,101.20 = 109,591.20 : x
  2. Step 2: Convert to fraction form
    267,249.60/401,101.20 = 109,591.20/x
  3. Step 3: Cross multiply
    267,249.60x = 401,101.20 × 109,591.20
  4. Step 4: Simplify right side
    267,249.60x = 43,957,161,829.44
  5. Step 5: Solve for x
    x = 43,957,161,829.44/267,249.60
  6. Step 6: Final answer
    x = 164,479.80

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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.