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Finding the Fourth Proportional to 168,352.32, 252,673.44 and 68,568

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Solution

The fourth proportional to 168,352.32, 252,673.44 and 68,568 is: 102,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,352.32 : 252,673.44 = 68,568 : x
  2. Step 2: Convert to fraction form
    168,352.32/252,673.44 = 68,568/x
  3. Step 3: Cross multiply
    168,352.32x = 252,673.44 × 68,568
  4. Step 4: Simplify right side
    168,352.32x = 17,325,312,433.92
  5. Step 5: Solve for x
    x = 17,325,312,433.92/168,352.32
  6. Step 6: Final answer
    x = 102,911.04

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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.