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Finding the Fourth Proportional to 167,801.92, 231,567.04 and 91,321.04

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Solution

The fourth proportional to 167,801.92, 231,567.04 and 91,321.04 is: 126,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,801.92 : 231,567.04 = 91,321.04 : x
  2. Step 2: Convert to fraction form
    167,801.92/231,567.04 = 91,321.04/x
  3. Step 3: Cross multiply
    167,801.92x = 231,567.04 × 91,321.04
  4. Step 4: Simplify right side
    167,801.92x = 21,146,942,922.52
  5. Step 5: Solve for x
    x = 21,146,942,922.52/167,801.92
  6. Step 6: Final answer
    x = 126,023.25

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1.5x scale

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.