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Finding the Fourth Proportional to 111,891.70, 167,839.80 and 41,757.02

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Solution

The fourth proportional to 111,891.70, 167,839.80 and 41,757.02 is: 62,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,891.70 : 167,839.80 = 41,757.02 : x
  2. Step 2: Convert to fraction form
    111,891.70/167,839.80 = 41,757.02/x
  3. Step 3: Cross multiply
    111,891.70x = 167,839.80 × 41,757.02
  4. Step 4: Simplify right side
    111,891.70x = 7,008,489,885.40
  5. Step 5: Solve for x
    x = 7,008,489,885.40/111,891.70
  6. Step 6: Final answer
    x = 62,636.37

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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.