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Finding the Fourth Proportional to 80,348.87, 110,879.68 and 44,538.57

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Solution

The fourth proportional to 80,348.87, 110,879.68 and 44,538.57 is: 61,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,348.87 : 110,879.68 = 44,538.57 : x
  2. Step 2: Convert to fraction form
    80,348.87/110,879.68 = 44,538.57/x
  3. Step 3: Cross multiply
    80,348.87x = 110,879.68 × 44,538.57
  4. Step 4: Simplify right side
    80,348.87x = 4,938,422,166.56
  5. Step 5: Solve for x
    x = 4,938,422,166.56/80,348.87
  6. Step 6: Final answer
    x = 61,462.25

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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.