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Finding the Fourth Proportional to 123,958.92, 171,062.37 and 67,370.70

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Solution

The fourth proportional to 123,958.92, 171,062.37 and 67,370.70 is: 92,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,958.92 : 171,062.37 = 67,370.70 : x
  2. Step 2: Convert to fraction form
    123,958.92/171,062.37 = 67,370.70/x
  3. Step 3: Cross multiply
    123,958.92x = 171,062.37 × 67,370.70
  4. Step 4: Simplify right side
    123,958.92x = 11,524,591,610.56
  5. Step 5: Solve for x
    x = 11,524,591,610.56/123,958.92
  6. Step 6: Final answer
    x = 92,971.06

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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.