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Finding the Fourth Proportional to 63,162.84, 87,161.76 and 36,286.44

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Solution

The fourth proportional to 63,162.84, 87,161.76 and 36,286.44 is: 50,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,162.84 : 87,161.76 = 36,286.44 : x
  2. Step 2: Convert to fraction form
    63,162.84/87,161.76 = 36,286.44/x
  3. Step 3: Cross multiply
    63,162.84x = 87,161.76 × 36,286.44
  4. Step 4: Simplify right side
    63,162.84x = 3,162,789,974.53
  5. Step 5: Solve for x
    x = 3,162,789,974.53/63,162.84
  6. Step 6: Final answer
    x = 50,073.59

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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.