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Finding the Fourth Proportional to 167,352.92, 230,947.41 and 90,872.02

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Solution

The fourth proportional to 167,352.92, 230,947.41 and 90,872.02 is: 125,403.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,352.92 : 230,947.41 = 90,872.02 : x
  2. Step 2: Convert to fraction form
    167,352.92/230,947.41 = 90,872.02/x
  3. Step 3: Cross multiply
    167,352.92x = 230,947.41 × 90,872.02
  4. Step 4: Simplify right side
    167,352.92x = 20,986,656,505.73
  5. Step 5: Solve for x
    x = 20,986,656,505.73/167,352.92
  6. Step 6: Final answer
    x = 125,403.59

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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.