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Finding the Fourth Proportional to 189,596.52, 261,584.16 and 108,995.04

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Solution

The fourth proportional to 189,596.52, 261,584.16 and 108,995.04 is: 150,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,596.52 : 261,584.16 = 108,995.04 : x
  2. Step 2: Convert to fraction form
    189,596.52/261,584.16 = 108,995.04/x
  3. Step 3: Cross multiply
    189,596.52x = 261,584.16 × 108,995.04
  4. Step 4: Simplify right side
    189,596.52x = 28,511,375,982.57
  5. Step 5: Solve for x
    x = 28,511,375,982.57/189,596.52
  6. Step 6: Final answer
    x = 150,379.22

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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.