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Finding the Fourth Proportional to 79,863.32, 119,840.77 and 32,469.66

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Solution

The fourth proportional to 79,863.32, 119,840.77 and 32,469.66 is: 48,723.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863.32 : 119,840.77 = 32,469.66 : x
  2. Step 2: Convert to fraction form
    79,863.32/119,840.77 = 32,469.66/x
  3. Step 3: Cross multiply
    79,863.32x = 119,840.77 × 32,469.66
  4. Step 4: Simplify right side
    79,863.32x = 3,891,188,913.98
  5. Step 5: Solve for x
    x = 3,891,188,913.98/79,863.32
  6. Step 6: Final answer
    x = 48,723.11

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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.