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Finding the Fourth Proportional to 159,843.33, 220,591.13 and 91,882.26

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Solution

The fourth proportional to 159,843.33, 220,591.13 and 91,882.26 is: 126,801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,843.33 : 220,591.13 = 91,882.26 : x
  2. Step 2: Convert to fraction form
    159,843.33/220,591.13 = 91,882.26/x
  3. Step 3: Cross multiply
    159,843.33x = 220,591.13 × 91,882.26
  4. Step 4: Simplify right side
    159,843.33x = 20,268,411,100.94
  5. Step 5: Solve for x
    x = 20,268,411,100.94/159,843.33
  6. Step 6: Final answer
    x = 126,801.73

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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.