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Finding the Fourth Proportional to 234,979.62, 352,469.43 and 68,767.62

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Solution

The fourth proportional to 234,979.62, 352,469.43 and 68,767.62 is: 103,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,979.62 : 352,469.43 = 68,767.62 : x
  2. Step 2: Convert to fraction form
    234,979.62/352,469.43 = 68,767.62/x
  3. Step 3: Cross multiply
    234,979.62x = 352,469.43 × 68,767.62
  4. Step 4: Simplify right side
    234,979.62x = 24,238,483,823.86
  5. Step 5: Solve for x
    x = 24,238,483,823.86/234,979.62
  6. Step 6: Final answer
    x = 103,151.43

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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.