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Finding the Fourth Proportional to 167,203.52, 230,743.68 and 91,759.04

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Solution

The fourth proportional to 167,203.52, 230,743.68 and 91,759.04 is: 126,629.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,203.52 : 230,743.68 = 91,759.04 : x
  2. Step 2: Convert to fraction form
    167,203.52/230,743.68 = 91,759.04/x
  3. Step 3: Cross multiply
    167,203.52x = 230,743.68 × 91,759.04
  4. Step 4: Simplify right side
    167,203.52x = 21,172,818,562.87
  5. Step 5: Solve for x
    x = 21,172,818,562.87/167,203.52
  6. Step 6: Final answer
    x = 126,629.02

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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.