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Finding the Fourth Proportional to 63,165.57, 87,171.77 and 36,310.58

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Solution

The fourth proportional to 63,165.57, 87,171.77 and 36,310.58 is: 50,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,165.57 : 87,171.77 = 36,310.58 : x
  2. Step 2: Convert to fraction form
    63,165.57/87,171.77 = 36,310.58/x
  3. Step 3: Cross multiply
    63,165.57x = 87,171.77 × 36,310.58
  4. Step 4: Simplify right side
    63,165.57x = 3,165,257,408.01
  5. Step 5: Solve for x
    x = 3,165,257,408.01/63,165.57
  6. Step 6: Final answer
    x = 50,110.48

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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.