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Finding the Fourth Proportional to 71,589.95, 98,843.55 and 44,744.52

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Solution

The fourth proportional to 71,589.95, 98,843.55 and 44,744.52 is: 61,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,589.95 : 98,843.55 = 44,744.52 : x
  2. Step 2: Convert to fraction form
    71,589.95/98,843.55 = 44,744.52/x
  3. Step 3: Cross multiply
    71,589.95x = 98,843.55 × 44,744.52
  4. Step 4: Simplify right side
    71,589.95x = 4,422,707,199.85
  5. Step 5: Solve for x
    x = 4,422,707,199.85/71,589.95
  6. Step 6: Final answer
    x = 61,778.33

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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.