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Finding the Fourth Proportional to 111,882.36, 167,801.04 and 54,932.34

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Solution

The fourth proportional to 111,882.36, 167,801.04 and 54,932.34 is: 82,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,882.36 : 167,801.04 = 54,932.34 : x
  2. Step 2: Convert to fraction form
    111,882.36/167,801.04 = 54,932.34/x
  3. Step 3: Cross multiply
    111,882.36x = 167,801.04 × 54,932.34
  4. Step 4: Simplify right side
    111,882.36x = 9,217,703,781.63
  5. Step 5: Solve for x
    x = 9,217,703,781.63/111,882.36
  6. Step 6: Final answer
    x = 82,387.46

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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.