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Finding the Fourth Proportional to 111,374.26, 167,019.78 and 44,791.90

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Solution

The fourth proportional to 111,374.26, 167,019.78 and 44,791.90 is: 67,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,374.26 : 167,019.78 = 44,791.90 : x
  2. Step 2: Convert to fraction form
    111,374.26/167,019.78 = 44,791.90/x
  3. Step 3: Cross multiply
    111,374.26x = 167,019.78 × 44,791.90
  4. Step 4: Simplify right side
    111,374.26x = 7,481,133,283.78
  5. Step 5: Solve for x
    x = 7,481,133,283.78/111,374.26
  6. Step 6: Final answer
    x = 67,171.12

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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.