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Finding the Fourth Proportional to 66,797.92, 100,187.60 and 16,874.94

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Solution

The fourth proportional to 66,797.92, 100,187.60 and 16,874.94 is: 25,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,797.92 : 100,187.60 = 16,874.94 : x
  2. Step 2: Convert to fraction form
    66,797.92/100,187.60 = 16,874.94/x
  3. Step 3: Cross multiply
    66,797.92x = 100,187.60 × 16,874.94
  4. Step 4: Simplify right side
    66,797.92x = 1,690,659,780.93
  5. Step 5: Solve for x
    x = 1,690,659,780.93/66,797.92
  6. Step 6: Final answer
    x = 25,310.07

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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.