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Finding the Fourth Proportional to 168,497.27, 252,675.64 and 68,589.64

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Solution

The fourth proportional to 168,497.27, 252,675.64 and 68,589.64 is: 102,855.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,497.27 : 252,675.64 = 68,589.64 : x
  2. Step 2: Convert to fraction form
    168,497.27/252,675.64 = 68,589.64/x
  3. Step 3: Cross multiply
    168,497.27x = 252,675.64 × 68,589.64
  4. Step 4: Simplify right side
    168,497.27x = 17,330,932,168.00
  5. Step 5: Solve for x
    x = 17,330,932,168.00/168,497.27
  6. Step 6: Final answer
    x = 102,855.86

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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.