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Finding the Fourth Proportional to 67,399.75, 101,099.63 and 18,151.75

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Solution

The fourth proportional to 67,399.75, 101,099.63 and 18,151.75 is: 27,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,399.75 : 101,099.63 = 18,151.75 : x
  2. Step 2: Convert to fraction form
    67,399.75/101,099.63 = 18,151.75/x
  3. Step 3: Cross multiply
    67,399.75x = 101,099.63 × 18,151.75
  4. Step 4: Simplify right side
    67,399.75x = 1,835,135,208.85
  5. Step 5: Solve for x
    x = 1,835,135,208.85/67,399.75
  6. Step 6: Final answer
    x = 27,227.63

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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.