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Finding the Fourth Proportional to 67,144.50, 100,695.24 and 22,155.80

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Solution

The fourth proportional to 67,144.50, 100,695.24 and 22,155.80 is: 33,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,144.50 : 100,695.24 = 22,155.80 : x
  2. Step 2: Convert to fraction form
    67,144.50/100,695.24 = 22,155.80/x
  3. Step 3: Cross multiply
    67,144.50x = 100,695.24 × 22,155.80
  4. Step 4: Simplify right side
    67,144.50x = 2,230,983,094.92
  5. Step 5: Solve for x
    x = 2,230,983,094.92/67,144.50
  6. Step 6: Final answer
    x = 33,226.59

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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.