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Finding the Fourth Proportional to 111,877.92, 167,721.84 and 49,514.40

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Solution

The fourth proportional to 111,877.92, 167,721.84 and 49,514.40 is: 74,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,877.92 : 167,721.84 = 49,514.40 : x
  2. Step 2: Convert to fraction form
    111,877.92/167,721.84 = 49,514.40/x
  3. Step 3: Cross multiply
    111,877.92x = 167,721.84 × 49,514.40
  4. Step 4: Simplify right side
    111,877.92x = 8,304,646,274.50
  5. Step 5: Solve for x
    x = 8,304,646,274.50/111,877.92
  6. Step 6: Final answer
    x = 74,229.54

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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.