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Finding the Fourth Proportional to 79,589.62, 119,343.34 and 23,422.44

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Solution

The fourth proportional to 79,589.62, 119,343.34 and 23,422.44 is: 35,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,589.62 : 119,343.34 = 23,422.44 : x
  2. Step 2: Convert to fraction form
    79,589.62/119,343.34 = 23,422.44/x
  3. Step 3: Cross multiply
    79,589.62x = 119,343.34 × 23,422.44
  4. Step 4: Simplify right side
    79,589.62x = 2,795,312,220.55
  5. Step 5: Solve for x
    x = 2,795,312,220.55/79,589.62
  6. Step 6: Final answer
    x = 35,121.57

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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.