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Finding the Fourth Proportional to 79,540.50, 119,311.47 and 24,136.50

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Solution

The fourth proportional to 79,540.50, 119,311.47 and 24,136.50 is: 36,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,540.50 : 119,311.47 = 24,136.50 : x
  2. Step 2: Convert to fraction form
    79,540.50/119,311.47 = 24,136.50/x
  3. Step 3: Cross multiply
    79,540.50x = 119,311.47 × 24,136.50
  4. Step 4: Simplify right side
    79,540.50x = 2,879,761,295.66
  5. Step 5: Solve for x
    x = 2,879,761,295.66/79,540.50
  6. Step 6: Final answer
    x = 36,204.97

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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.