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Finding the Fourth Proportional to 267,029.68, 400,610.04 and 80,041

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Solution

The fourth proportional to 267,029.68, 400,610.04 and 80,041 is: 120,081.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,029.68 : 400,610.04 = 80,041 : x
  2. Step 2: Convert to fraction form
    267,029.68/400,610.04 = 80,041/x
  3. Step 3: Cross multiply
    267,029.68x = 400,610.04 × 80,041
  4. Step 4: Simplify right side
    267,029.68x = 32,065,228,211.64
  5. Step 5: Solve for x
    x = 32,065,228,211.64/267,029.68
  6. Step 6: Final answer
    x = 120,081.14

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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.