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Finding the Fourth Proportional to 80,019, 110,426.22 and 44,691

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Solution

The fourth proportional to 80,019, 110,426.22 and 44,691 is: 61,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,019 : 110,426.22 = 44,691 : x
  2. Step 2: Convert to fraction form
    80,019/110,426.22 = 44,691/x
  3. Step 3: Cross multiply
    80,019x = 110,426.22 × 44,691
  4. Step 4: Simplify right side
    80,019x = 4,935,058,198.02
  5. Step 5: Solve for x
    x = 4,935,058,198.02/80,019
  6. Step 6: Final answer
    x = 61,673.58

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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.