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Finding the Fourth Proportional to 251,172.24, 376,716.84 and 82,694.88

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Solution

The fourth proportional to 251,172.24, 376,716.84 and 82,694.88 is: 124,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,172.24 : 376,716.84 = 82,694.88 : x
  2. Step 2: Convert to fraction form
    251,172.24/376,716.84 = 82,694.88/x
  3. Step 3: Cross multiply
    251,172.24x = 376,716.84 × 82,694.88
  4. Step 4: Simplify right side
    251,172.24x = 31,152,553,877.78
  5. Step 5: Solve for x
    x = 31,152,553,877.78/251,172.24
  6. Step 6: Final answer
    x = 124,028.65

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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.