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Finding the Fourth Proportional to 250,576.54, 345,791.43 and 141,679.13

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Solution

The fourth proportional to 250,576.54, 345,791.43 and 141,679.13 is: 195,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,576.54 : 345,791.43 = 141,679.13 : x
  2. Step 2: Convert to fraction form
    250,576.54/345,791.43 = 141,679.13/x
  3. Step 3: Cross multiply
    250,576.54x = 345,791.43 × 141,679.13
  4. Step 4: Simplify right side
    250,576.54x = 48,991,427,234.90
  5. Step 5: Solve for x
    x = 48,991,427,234.90/250,576.54
  6. Step 6: Final answer
    x = 195,514.82

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1.5x scale

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.