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Finding the Fourth Proportional to 67,199.12, 100,861.02 and 33,942.54

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Solution

The fourth proportional to 67,199.12, 100,861.02 and 33,942.54 is: 50,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,199.12 : 100,861.02 = 33,942.54 : x
  2. Step 2: Convert to fraction form
    67,199.12/100,861.02 = 33,942.54/x
  3. Step 3: Cross multiply
    67,199.12x = 100,861.02 × 33,942.54
  4. Step 4: Simplify right side
    67,199.12x = 3,423,479,205.79
  5. Step 5: Solve for x
    x = 3,423,479,205.79/67,199.12
  6. Step 6: Final answer
    x = 50,945.30

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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.