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Finding the Fourth Proportional to 80,322.35, 110,845.49 and 44,512.96

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Solution

The fourth proportional to 80,322.35, 110,845.49 and 44,512.96 is: 61,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,322.35 : 110,845.49 = 44,512.96 : x
  2. Step 2: Convert to fraction form
    80,322.35/110,845.49 = 44,512.96/x
  3. Step 3: Cross multiply
    80,322.35x = 110,845.49 × 44,512.96
  4. Step 4: Simplify right side
    80,322.35x = 4,934,060,862.55
  5. Step 5: Solve for x
    x = 4,934,060,862.55/80,322.35
  6. Step 6: Final answer
    x = 61,428.24

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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.