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Finding the Fourth Proportional to 163,601.30, 225,694.02 and 95,621.15

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Solution

The fourth proportional to 163,601.30, 225,694.02 and 95,621.15 is: 131,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,601.30 : 225,694.02 = 95,621.15 : x
  2. Step 2: Convert to fraction form
    163,601.30/225,694.02 = 95,621.15/x
  3. Step 3: Cross multiply
    163,601.30x = 225,694.02 × 95,621.15
  4. Step 4: Simplify right side
    163,601.30x = 21,581,120,612.05
  5. Step 5: Solve for x
    x = 21,581,120,612.05/163,601.30
  6. Step 6: Final answer
    x = 131,912.90

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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.