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Finding the Fourth Proportional to 167,062.52, 230,545.98 and 91,615.88

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Solution

The fourth proportional to 167,062.52, 230,545.98 and 91,615.88 is: 126,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,062.52 : 230,545.98 = 91,615.88 : x
  2. Step 2: Convert to fraction form
    167,062.52/230,545.98 = 91,615.88/x
  3. Step 3: Cross multiply
    167,062.52x = 230,545.98 × 91,615.88
  4. Step 4: Simplify right side
    167,062.52x = 21,121,672,838.16
  5. Step 5: Solve for x
    x = 21,121,672,838.16/167,062.52
  6. Step 6: Final answer
    x = 126,429.75

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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.