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Finding the Fourth Proportional to 441,156.38, 661,734.63 and 108,732.38

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Solution

The fourth proportional to 441,156.38, 661,734.63 and 108,732.38 is: 163,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,156.38 : 661,734.63 = 108,732.38 : x
  2. Step 2: Convert to fraction form
    441,156.38/661,734.63 = 108,732.38/x
  3. Step 3: Cross multiply
    441,156.38x = 661,734.63 × 108,732.38
  4. Step 4: Simplify right side
    441,156.38x = 71,951,977,939.65
  5. Step 5: Solve for x
    x = 71,951,977,939.65/441,156.38
  6. Step 6: Final answer
    x = 163,098.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.