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Finding the Fourth Proportional to 68,100.66, 102,245.76 and 34,843.68

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Solution

The fourth proportional to 68,100.66, 102,245.76 and 34,843.68 is: 52,314.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,100.66 : 102,245.76 = 34,843.68 : x
  2. Step 2: Convert to fraction form
    68,100.66/102,245.76 = 34,843.68/x
  3. Step 3: Cross multiply
    68,100.66x = 102,245.76 × 34,843.68
  4. Step 4: Simplify right side
    68,100.66x = 3,562,618,542.80
  5. Step 5: Solve for x
    x = 3,562,618,542.80/68,100.66
  6. Step 6: Final answer
    x = 52,314.01

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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.