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Finding the Fourth Proportional to 234,872.75, 352,367.45 and 68,660.75

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Solution

The fourth proportional to 234,872.75, 352,367.45 and 68,660.75 is: 103,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,872.75 : 352,367.45 = 68,660.75 : x
  2. Step 2: Convert to fraction form
    234,872.75/352,367.45 = 68,660.75/x
  3. Step 3: Cross multiply
    234,872.75x = 352,367.45 × 68,660.75
  4. Step 4: Simplify right side
    234,872.75x = 24,193,811,287.45
  5. Step 5: Solve for x
    x = 24,193,811,287.45/234,872.75
  6. Step 6: Final answer
    x = 103,008.17

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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.