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Finding the Fourth Proportional to 269,695.88, 404,624.28 and 80,162.52

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Solution

The fourth proportional to 269,695.88, 404,624.28 and 80,162.52 is: 120,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,695.88 : 404,624.28 = 80,162.52 : x
  2. Step 2: Convert to fraction form
    269,695.88/404,624.28 = 80,162.52/x
  3. Step 3: Cross multiply
    269,695.88x = 404,624.28 × 80,162.52
  4. Step 4: Simplify right side
    269,695.88x = 32,435,701,937.99
  5. Step 5: Solve for x
    x = 32,435,701,937.99/269,695.88
  6. Step 6: Final answer
    x = 120,267.70

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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.