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Finding the Fourth Proportional to 167,305.80, 230,882.28 and 91,859.16

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Solution

The fourth proportional to 167,305.80, 230,882.28 and 91,859.16 is: 126,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,305.80 : 230,882.28 = 91,859.16 : x
  2. Step 2: Convert to fraction form
    167,305.80/230,882.28 = 91,859.16/x
  3. Step 3: Cross multiply
    167,305.80x = 230,882.28 × 91,859.16
  4. Step 4: Simplify right side
    167,305.80x = 21,208,652,299.68
  5. Step 5: Solve for x
    x = 21,208,652,299.68/167,305.80
  6. Step 6: Final answer
    x = 126,765.79

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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.