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Finding the Fourth Proportional to 67,723.80, 101,439.90 and 36,522.60

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Solution

The fourth proportional to 67,723.80, 101,439.90 and 36,522.60 is: 54,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,723.80 : 101,439.90 = 36,522.60 : x
  2. Step 2: Convert to fraction form
    67,723.80/101,439.90 = 36,522.60/x
  3. Step 3: Cross multiply
    67,723.80x = 101,439.90 × 36,522.60
  4. Step 4: Simplify right side
    67,723.80x = 3,704,848,891.74
  5. Step 5: Solve for x
    x = 3,704,848,891.74/67,723.80
  6. Step 6: Final answer
    x = 54,705.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.