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Finding the Fourth Proportional to 168,046.58, 252,174.97 and 68,206.77

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Solution

The fourth proportional to 168,046.58, 252,174.97 and 68,206.77 is: 102,352.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,046.58 : 252,174.97 = 68,206.77 : x
  2. Step 2: Convert to fraction form
    168,046.58/252,174.97 = 68,206.77/x
  3. Step 3: Cross multiply
    168,046.58x = 252,174.97 × 68,206.77
  4. Step 4: Simplify right side
    168,046.58x = 17,200,040,178.55
  5. Step 5: Solve for x
    x = 17,200,040,178.55/168,046.58
  6. Step 6: Final answer
    x = 102,352.81

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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.