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Finding the Fourth Proportional to 272,494.33, 408,150.74 and 131,958.25

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Solution

The fourth proportional to 272,494.33, 408,150.74 and 131,958.25 is: 197,651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,494.33 : 408,150.74 = 131,958.25 : x
  2. Step 2: Convert to fraction form
    272,494.33/408,150.74 = 131,958.25/x
  3. Step 3: Cross multiply
    272,494.33x = 408,150.74 × 131,958.25
  4. Step 4: Simplify right side
    272,494.33x = 53,858,856,726.81
  5. Step 5: Solve for x
    x = 53,858,856,726.81/272,494.33
  6. Step 6: Final answer
    x = 197,651.29

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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.