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Finding the Fourth Proportional to 163,453.88, 225,565.49 and 91,833.27

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Solution

The fourth proportional to 163,453.88, 225,565.49 and 91,833.27 is: 126,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,453.88 : 225,565.49 = 91,833.27 : x
  2. Step 2: Convert to fraction form
    163,453.88/225,565.49 = 91,833.27/x
  3. Step 3: Cross multiply
    163,453.88x = 225,565.49 × 91,833.27
  4. Step 4: Simplify right side
    163,453.88x = 20,714,416,545.85
  5. Step 5: Solve for x
    x = 20,714,416,545.85/163,453.88
  6. Step 6: Final answer
    x = 126,729.43

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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.