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Finding the Fourth Proportional to 167,987.52, 231,812.28 and 92,536.02

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Solution

The fourth proportional to 167,987.52, 231,812.28 and 92,536.02 is: 127,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,987.52 : 231,812.28 = 92,536.02 : x
  2. Step 2: Convert to fraction form
    167,987.52/231,812.28 = 92,536.02/x
  3. Step 3: Cross multiply
    167,987.52x = 231,812.28 × 92,536.02
  4. Step 4: Simplify right side
    167,987.52x = 21,450,985,778.33
  5. Step 5: Solve for x
    x = 21,450,985,778.33/167,987.52
  6. Step 6: Final answer
    x = 127,693.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.