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Finding the Fourth Proportional to 168,551.08, 252,900.38 and 79,867.88

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Solution

The fourth proportional to 168,551.08, 252,900.38 and 79,867.88 is: 119,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,551.08 : 252,900.38 = 79,867.88 : x
  2. Step 2: Convert to fraction form
    168,551.08/252,900.38 = 79,867.88/x
  3. Step 3: Cross multiply
    168,551.08x = 252,900.38 × 79,867.88
  4. Step 4: Simplify right side
    168,551.08x = 20,198,617,201.79
  5. Step 5: Solve for x
    x = 20,198,617,201.79/168,551.08
  6. Step 6: Final answer
    x = 119,836.77

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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.