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Finding the Fourth Proportional to 80,347.14, 120,526.68 and 27,039.24

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Solution

The fourth proportional to 80,347.14, 120,526.68 and 27,039.24 is: 40,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,347.14 : 120,526.68 = 27,039.24 : x
  2. Step 2: Convert to fraction form
    80,347.14/120,526.68 = 27,039.24/x
  3. Step 3: Cross multiply
    80,347.14x = 120,526.68 × 27,039.24
  4. Step 4: Simplify right side
    80,347.14x = 3,258,949,826.92
  5. Step 5: Solve for x
    x = 3,258,949,826.92/80,347.14
  6. Step 6: Final answer
    x = 40,560.87

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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.