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Finding the Fourth Proportional to 67,183.68, 100,672.92 and 33,810.60

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Solution

The fourth proportional to 67,183.68, 100,672.92 and 33,810.60 is: 50,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,183.68 : 100,672.92 = 33,810.60 : x
  2. Step 2: Convert to fraction form
    67,183.68/100,672.92 = 33,810.60/x
  3. Step 3: Cross multiply
    67,183.68x = 100,672.92 × 33,810.60
  4. Step 4: Simplify right side
    67,183.68x = 3,403,811,828.95
  5. Step 5: Solve for x
    x = 3,403,811,828.95/67,183.68
  6. Step 6: Final answer
    x = 50,664.27

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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.