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Finding the Fourth Proportional to 250,758.75, 376,196.45 and 84,546.75

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Solution

The fourth proportional to 250,758.75, 376,196.45 and 84,546.75 is: 126,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,758.75 : 376,196.45 = 84,546.75 : x
  2. Step 2: Convert to fraction form
    250,758.75/376,196.45 = 84,546.75/x
  3. Step 3: Cross multiply
    250,758.75x = 376,196.45 × 84,546.75
  4. Step 4: Simplify right side
    250,758.75x = 31,806,186,786.30
  5. Step 5: Solve for x
    x = 31,806,186,786.30/250,758.75
  6. Step 6: Final answer
    x = 126,839.79

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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.