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Finding the Fourth Proportional to 275,940.89, 413,733.22 and 131,768.72

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Solution

The fourth proportional to 275,940.89, 413,733.22 and 131,768.72 is: 197,568.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,940.89 : 413,733.22 = 131,768.72 : x
  2. Step 2: Convert to fraction form
    275,940.89/413,733.22 = 131,768.72/x
  3. Step 3: Cross multiply
    275,940.89x = 413,733.22 × 131,768.72
  4. Step 4: Simplify right side
    275,940.89x = 54,517,098,301.54
  5. Step 5: Solve for x
    x = 54,517,098,301.54/275,940.89
  6. Step 6: Final answer
    x = 197,568.03

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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.