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Finding the Fourth Proportional to 251,227.78, 376,878.52 and 73,711.42

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Solution

The fourth proportional to 251,227.78, 376,878.52 and 73,711.42 is: 110,577.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,227.78 : 376,878.52 = 73,711.42 : x
  2. Step 2: Convert to fraction form
    251,227.78/376,878.52 = 73,711.42/x
  3. Step 3: Cross multiply
    251,227.78x = 376,878.52 × 73,711.42
  4. Step 4: Simplify right side
    251,227.78x = 27,780,250,026.64
  5. Step 5: Solve for x
    x = 27,780,250,026.64/251,227.78
  6. Step 6: Final answer
    x = 110,577.94

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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.