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Finding the Fourth Proportional to 79,879.70, 110,234 and 44,069.80

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Solution

The fourth proportional to 79,879.70, 110,234 and 44,069.80 is: 60,816.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,879.70 : 110,234 = 44,069.80 : x
  2. Step 2: Convert to fraction form
    79,879.70/110,234 = 44,069.80/x
  3. Step 3: Cross multiply
    79,879.70x = 110,234 × 44,069.80
  4. Step 4: Simplify right side
    79,879.70x = 4,857,990,333.20
  5. Step 5: Solve for x
    x = 4,857,990,333.20/79,879.70
  6. Step 6: Final answer
    x = 60,816.33

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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.