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Finding the Fourth Proportional to 67,199.16, 100,861.11 and 33,942.60

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Solution

The fourth proportional to 67,199.16, 100,861.11 and 33,942.60 is: 50,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,199.16 : 100,861.11 = 33,942.60 : x
  2. Step 2: Convert to fraction form
    67,199.16/100,861.11 = 33,942.60/x
  3. Step 3: Cross multiply
    67,199.16x = 100,861.11 × 33,942.60
  4. Step 4: Simplify right side
    67,199.16x = 3,423,488,312.29
  5. Step 5: Solve for x
    x = 3,423,488,312.29/67,199.16
  6. Step 6: Final answer
    x = 50,945.40

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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.