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Finding the Fourth Proportional to 67,119.55, 100,672.39 and 22,745.15

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Solution

The fourth proportional to 67,119.55, 100,672.39 and 22,745.15 is: 34,115.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,119.55 : 100,672.39 = 22,745.15 : x
  2. Step 2: Convert to fraction form
    67,119.55/100,672.39 = 22,745.15/x
  3. Step 3: Cross multiply
    67,119.55x = 100,672.39 × 22,745.15
  4. Step 4: Simplify right side
    67,119.55x = 2,289,808,611.41
  5. Step 5: Solve for x
    x = 2,289,808,611.41/67,119.55
  6. Step 6: Final answer
    x = 34,115.37

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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.