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Finding the Fourth Proportional to 73,099.26, 100,879.42 and 44,799.48

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Solution

The fourth proportional to 73,099.26, 100,879.42 and 44,799.48 is: 61,824.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,099.26 : 100,879.42 = 44,799.48 : x
  2. Step 2: Convert to fraction form
    73,099.26/100,879.42 = 44,799.48/x
  3. Step 3: Cross multiply
    73,099.26x = 100,879.42 × 44,799.48
  4. Step 4: Simplify right side
    73,099.26x = 4,519,345,558.70
  5. Step 5: Solve for x
    x = 4,519,345,558.70/73,099.26
  6. Step 6: Final answer
    x = 61,824.78

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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.