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Finding the Fourth Proportional to 251,150.42, 376,683.78 and 82,672.58

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Solution

The fourth proportional to 251,150.42, 376,683.78 and 82,672.58 is: 123,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,150.42 : 376,683.78 = 82,672.58 : x
  2. Step 2: Convert to fraction form
    251,150.42/376,683.78 = 82,672.58/x
  3. Step 3: Cross multiply
    251,150.42x = 376,683.78 × 82,672.58
  4. Step 4: Simplify right side
    251,150.42x = 31,141,419,936.75
  5. Step 5: Solve for x
    x = 31,141,419,936.75/251,150.42
  6. Step 6: Final answer
    x = 123,995.09

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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.