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Finding the Fourth Proportional to 167,205.52, 230,746.44 and 91,761.04

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Solution

The fourth proportional to 167,205.52, 230,746.44 and 91,761.04 is: 126,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,205.52 : 230,746.44 = 91,761.04 : x
  2. Step 2: Convert to fraction form
    167,205.52/230,746.44 = 91,761.04/x
  3. Step 3: Cross multiply
    167,205.52x = 230,746.44 × 91,761.04
  4. Step 4: Simplify right side
    167,205.52x = 21,173,533,310.70
  5. Step 5: Solve for x
    x = 21,173,533,310.70/167,205.52
  6. Step 6: Final answer
    x = 126,631.78

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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.