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Finding the Fourth Proportional to 67,163.69, 100,745.60 and 25,043.12

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Solution

The fourth proportional to 67,163.69, 100,745.60 and 25,043.12 is: 37,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,163.69 : 100,745.60 = 25,043.12 : x
  2. Step 2: Convert to fraction form
    67,163.69/100,745.60 = 25,043.12/x
  3. Step 3: Cross multiply
    67,163.69x = 100,745.60 × 25,043.12
  4. Step 4: Simplify right side
    67,163.69x = 2,522,984,276.92
  5. Step 5: Solve for x
    x = 2,522,984,276.92/67,163.69
  6. Step 6: Final answer
    x = 37,564.71

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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.