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Finding the Fourth Proportional to 168,496.64, 252,674.69 and 68,589.01

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Solution

The fourth proportional to 168,496.64, 252,674.69 and 68,589.01 is: 102,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,496.64 : 252,674.69 = 68,589.01 : x
  2. Step 2: Convert to fraction form
    168,496.64/252,674.69 = 68,589.01/x
  3. Step 3: Cross multiply
    168,496.64x = 252,674.69 × 68,589.01
  4. Step 4: Simplify right side
    168,496.64x = 17,330,707,197.87
  5. Step 5: Solve for x
    x = 17,330,707,197.87/168,496.64
  6. Step 6: Final answer
    x = 102,854.91

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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.