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Finding the Fourth Proportional to 111,911.54, 167,805.96 and 44,375.18

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Solution

The fourth proportional to 111,911.54, 167,805.96 and 44,375.18 is: 66,538.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,911.54 : 167,805.96 = 44,375.18 : x
  2. Step 2: Convert to fraction form
    111,911.54/167,805.96 = 44,375.18/x
  3. Step 3: Cross multiply
    111,911.54x = 167,805.96 × 44,375.18
  4. Step 4: Simplify right side
    111,911.54x = 7,446,419,680.07
  5. Step 5: Solve for x
    x = 7,446,419,680.07/111,911.54
  6. Step 6: Final answer
    x = 66,538.44

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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.