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Finding the Fourth Proportional to 67,199.56, 92,743.97 and 43,395.44

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Solution

The fourth proportional to 67,199.56, 92,743.97 and 43,395.44 is: 59,891.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,199.56 : 92,743.97 = 43,395.44 : x
  2. Step 2: Convert to fraction form
    67,199.56/92,743.97 = 43,395.44/x
  3. Step 3: Cross multiply
    67,199.56x = 92,743.97 × 43,395.44
  4. Step 4: Simplify right side
    67,199.56x = 4,024,664,704.80
  5. Step 5: Solve for x
    x = 4,024,664,704.80/67,199.56
  6. Step 6: Final answer
    x = 59,891.24

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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.