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Finding the Fourth Proportional to 63,105.82, 87,083.10 and 36,229.41

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Solution

The fourth proportional to 63,105.82, 87,083.10 and 36,229.41 is: 49,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,105.82 : 87,083.10 = 36,229.41 : x
  2. Step 2: Convert to fraction form
    63,105.82/87,083.10 = 36,229.41/x
  3. Step 3: Cross multiply
    63,105.82x = 87,083.10 × 36,229.41
  4. Step 4: Simplify right side
    63,105.82x = 3,154,969,333.97
  5. Step 5: Solve for x
    x = 3,154,969,333.97/63,105.82
  6. Step 6: Final answer
    x = 49,994.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.