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Finding the Fourth Proportional to 80,379.91, 110,924.08 and 44,569

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Solution

The fourth proportional to 80,379.91, 110,924.08 and 44,569 is: 61,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,379.91 : 110,924.08 = 44,569 : x
  2. Step 2: Convert to fraction form
    80,379.91/110,924.08 = 44,569/x
  3. Step 3: Cross multiply
    80,379.91x = 110,924.08 × 44,569
  4. Step 4: Simplify right side
    80,379.91x = 4,943,775,321.52
  5. Step 5: Solve for x
    x = 4,943,775,321.52/80,379.91
  6. Step 6: Final answer
    x = 61,505.11

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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.