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Finding the Fourth Proportional to 267,016.20, 400,473.30 and 80,027.68

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Solution

The fourth proportional to 267,016.20, 400,473.30 and 80,027.68 is: 120,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,016.20 : 400,473.30 = 80,027.68 : x
  2. Step 2: Convert to fraction form
    267,016.20/400,473.30 = 80,027.68/x
  3. Step 3: Cross multiply
    267,016.20x = 400,473.30 × 80,027.68
  4. Step 4: Simplify right side
    267,016.20x = 32,048,949,100.94
  5. Step 5: Solve for x
    x = 32,048,949,100.94/267,016.20
  6. Step 6: Final answer
    x = 120,026.23

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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.