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Finding the Fourth Proportional to 80,459.68, 120,689.52 and 25,060

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Solution

The fourth proportional to 80,459.68, 120,689.52 and 25,060 is: 37,590.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,459.68 : 120,689.52 = 25,060 : x
  2. Step 2: Convert to fraction form
    80,459.68/120,689.52 = 25,060/x
  3. Step 3: Cross multiply
    80,459.68x = 120,689.52 × 25,060
  4. Step 4: Simplify right side
    80,459.68x = 3,024,479,371.20
  5. Step 5: Solve for x
    x = 3,024,479,371.20/80,459.68
  6. Step 6: Final answer
    x = 37,590.00

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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.