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Finding the Fourth Proportional to 267,837.32, 401,758.86 and 80,850.44

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Solution

The fourth proportional to 267,837.32, 401,758.86 and 80,850.44 is: 121,276.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,837.32 : 401,758.86 = 80,850.44 : x
  2. Step 2: Convert to fraction form
    267,837.32/401,758.86 = 80,850.44/x
  3. Step 3: Cross multiply
    267,837.32x = 401,758.86 × 80,850.44
  4. Step 4: Simplify right side
    267,837.32x = 32,482,380,604.90
  5. Step 5: Solve for x
    x = 32,482,380,604.90/267,837.32
  6. Step 6: Final answer
    x = 121,276.53

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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.