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Finding the Fourth Proportional to 67,314.70, 100,984.04 and 22,338.75

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Solution

The fourth proportional to 67,314.70, 100,984.04 and 22,338.75 is: 33,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,314.70 : 100,984.04 = 22,338.75 : x
  2. Step 2: Convert to fraction form
    67,314.70/100,984.04 = 22,338.75/x
  3. Step 3: Cross multiply
    67,314.70x = 100,984.04 × 22,338.75
  4. Step 4: Simplify right side
    67,314.70x = 2,255,857,111.86
  5. Step 5: Solve for x
    x = 2,255,857,111.86/67,314.70
  6. Step 6: Final answer
    x = 33,512.10

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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.