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Finding the Fourth Proportional to 250,758.25, 376,195.70 and 84,546.25

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Solution

The fourth proportional to 250,758.25, 376,195.70 and 84,546.25 is: 126,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,758.25 : 376,195.70 = 84,546.25 : x
  2. Step 2: Convert to fraction form
    250,758.25/376,195.70 = 84,546.25/x
  3. Step 3: Cross multiply
    250,758.25x = 376,195.70 × 84,546.25
  4. Step 4: Simplify right side
    250,758.25x = 31,805,935,701.13
  5. Step 5: Solve for x
    x = 31,805,935,701.13/250,758.25
  6. Step 6: Final answer
    x = 126,839.04

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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.