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Finding the Fourth Proportional to 83,108.60, 124,659.70 and 27,704.60

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Solution

The fourth proportional to 83,108.60, 124,659.70 and 27,704.60 is: 41,555.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,108.60 : 124,659.70 = 27,704.60 : x
  2. Step 2: Convert to fraction form
    83,108.60/124,659.70 = 27,704.60/x
  3. Step 3: Cross multiply
    83,108.60x = 124,659.70 × 27,704.60
  4. Step 4: Simplify right side
    83,108.60x = 3,453,647,124.62
  5. Step 5: Solve for x
    x = 3,453,647,124.62/83,108.60
  6. Step 6: Final answer
    x = 41,555.83

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1.5x scale

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.