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Finding the Fourth Proportional to 167,396.52, 231,008.82 and 91,945.02

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Solution

The fourth proportional to 167,396.52, 231,008.82 and 91,945.02 is: 126,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,396.52 : 231,008.82 = 91,945.02 : x
  2. Step 2: Convert to fraction form
    167,396.52/231,008.82 = 91,945.02/x
  3. Step 3: Cross multiply
    167,396.52x = 231,008.82 × 91,945.02
  4. Step 4: Simplify right side
    167,396.52x = 21,240,110,575.08
  5. Step 5: Solve for x
    x = 21,240,110,575.08/167,396.52
  6. Step 6: Final answer
    x = 126,885.02

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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.