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Finding the Fourth Proportional to 83,679.61, 125,540.67 and 23,708.02

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Solution

The fourth proportional to 83,679.61, 125,540.67 and 23,708.02 is: 35,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,679.61 : 125,540.67 = 23,708.02 : x
  2. Step 2: Convert to fraction form
    83,679.61/125,540.67 = 23,708.02/x
  3. Step 3: Cross multiply
    83,679.61x = 125,540.67 × 23,708.02
  4. Step 4: Simplify right side
    83,679.61x = 2,976,320,087.47
  5. Step 5: Solve for x
    x = 2,976,320,087.47/83,679.61
  6. Step 6: Final answer
    x = 35,568.05

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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.