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Finding the Fourth Proportional to 82,697.28, 124,046.28 and 26,545.92

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Solution

The fourth proportional to 82,697.28, 124,046.28 and 26,545.92 is: 39,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,697.28 : 124,046.28 = 26,545.92 : x
  2. Step 2: Convert to fraction form
    82,697.28/124,046.28 = 26,545.92/x
  3. Step 3: Cross multiply
    82,697.28x = 124,046.28 × 26,545.92
  4. Step 4: Simplify right side
    82,697.28x = 3,292,922,625.18
  5. Step 5: Solve for x
    x = 3,292,922,625.18/82,697.28
  6. Step 6: Final answer
    x = 39,819.00

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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.