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Finding the Fourth Proportional to 67,272.50, 100,917.12 and 22,895.84

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Solution

The fourth proportional to 67,272.50, 100,917.12 and 22,895.84 is: 34,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,272.50 : 100,917.12 = 22,895.84 : x
  2. Step 2: Convert to fraction form
    67,272.50/100,917.12 = 22,895.84/x
  3. Step 3: Cross multiply
    67,272.50x = 100,917.12 × 22,895.84
  4. Step 4: Simplify right side
    67,272.50x = 2,310,582,232.78
  5. Step 5: Solve for x
    x = 2,310,582,232.78/67,272.50
  6. Step 6: Final answer
    x = 34,346.61

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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.