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Finding the Fourth Proportional to 167,177.88, 230,709.72 and 91,726.36

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Solution

The fourth proportional to 167,177.88, 230,709.72 and 91,726.36 is: 126,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,177.88 : 230,709.72 = 91,726.36 : x
  2. Step 2: Convert to fraction form
    167,177.88/230,709.72 = 91,726.36/x
  3. Step 3: Cross multiply
    167,177.88x = 230,709.72 × 91,726.36
  4. Step 4: Simplify right side
    167,177.88x = 21,162,162,832.22
  5. Step 5: Solve for x
    x = 21,162,162,832.22/167,177.88
  6. Step 6: Final answer
    x = 126,584.71

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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.