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Finding the Fourth Proportional to 80,322.10, 110,845.14 and 44,512.71

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Solution

The fourth proportional to 80,322.10, 110,845.14 and 44,512.71 is: 61,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,322.10 : 110,845.14 = 44,512.71 : x
  2. Step 2: Convert to fraction form
    80,322.10/110,845.14 = 44,512.71/x
  3. Step 3: Cross multiply
    80,322.10x = 110,845.14 × 44,512.71
  4. Step 4: Simplify right side
    80,322.10x = 4,934,017,571.73
  5. Step 5: Solve for x
    x = 4,934,017,571.73/80,322.10
  6. Step 6: Final answer
    x = 61,427.90

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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.