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Finding the Fourth Proportional to 168,497.62, 252,741.54 and 68,633.10

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Solution

The fourth proportional to 168,497.62, 252,741.54 and 68,633.10 is: 102,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,497.62 : 252,741.54 = 68,633.10 : x
  2. Step 2: Convert to fraction form
    168,497.62/252,741.54 = 68,633.10/x
  3. Step 3: Cross multiply
    168,497.62x = 252,741.54 × 68,633.10
  4. Step 4: Simplify right side
    168,497.62x = 17,346,435,388.97
  5. Step 5: Solve for x
    x = 17,346,435,388.97/168,497.62
  6. Step 6: Final answer
    x = 102,947.66

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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.