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Finding the Fourth Proportional to 80,487.63, 111,074.13 and 44,679.96

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Solution

The fourth proportional to 80,487.63, 111,074.13 and 44,679.96 is: 61,659.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,487.63 : 111,074.13 = 44,679.96 : x
  2. Step 2: Convert to fraction form
    80,487.63/111,074.13 = 44,679.96/x
  3. Step 3: Cross multiply
    80,487.63x = 111,074.13 × 44,679.96
  4. Step 4: Simplify right side
    80,487.63x = 4,962,787,685.43
  5. Step 5: Solve for x
    x = 4,962,787,685.43/80,487.63
  6. Step 6: Final answer
    x = 61,659.01

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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.