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Finding the Fourth Proportional to 68,093.67, 102,190.32 and 34,841.55

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Solution

The fourth proportional to 68,093.67, 102,190.32 and 34,841.55 is: 52,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,093.67 : 102,190.32 = 34,841.55 : x
  2. Step 2: Convert to fraction form
    68,093.67/102,190.32 = 34,841.55/x
  3. Step 3: Cross multiply
    68,093.67x = 102,190.32 × 34,841.55
  4. Step 4: Simplify right side
    68,093.67x = 3,560,469,143.80
  5. Step 5: Solve for x
    x = 3,560,469,143.80/68,093.67
  6. Step 6: Final answer
    x = 52,287.81

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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.