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Finding the Fourth Proportional to 111,961.20, 167,941.80 and 33,076.20

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Solution

The fourth proportional to 111,961.20, 167,941.80 and 33,076.20 is: 49,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,961.20 : 167,941.80 = 33,076.20 : x
  2. Step 2: Convert to fraction form
    111,961.20/167,941.80 = 33,076.20/x
  3. Step 3: Cross multiply
    111,961.20x = 167,941.80 × 33,076.20
  4. Step 4: Simplify right side
    111,961.20x = 5,554,876,565.16
  5. Step 5: Solve for x
    x = 5,554,876,565.16/111,961.20
  6. Step 6: Final answer
    x = 49,614.30

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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.