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Finding the Fourth Proportional to 82,892.54, 124,363.07 and 26,731.53

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Solution

The fourth proportional to 82,892.54, 124,363.07 and 26,731.53 is: 40,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,892.54 : 124,363.07 = 26,731.53 : x
  2. Step 2: Convert to fraction form
    82,892.54/124,363.07 = 26,731.53/x
  3. Step 3: Cross multiply
    82,892.54x = 124,363.07 × 26,731.53
  4. Step 4: Simplify right side
    82,892.54x = 3,324,414,514.78
  5. Step 5: Solve for x
    x = 3,324,414,514.78/82,892.54
  6. Step 6: Final answer
    x = 40,105.11

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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.