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Finding the Fourth Proportional to 251,286.58, 376,871.46 and 73,745.92

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Solution

The fourth proportional to 251,286.58, 376,871.46 and 73,745.92 is: 110,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,286.58 : 376,871.46 = 73,745.92 : x
  2. Step 2: Convert to fraction form
    251,286.58/376,871.46 = 73,745.92/x
  3. Step 3: Cross multiply
    251,286.58x = 376,871.46 × 73,745.92
  4. Step 4: Simplify right side
    251,286.58x = 27,792,732,539.44
  5. Step 5: Solve for x
    x = 27,792,732,539.44/251,286.58
  6. Step 6: Final answer
    x = 110,601.74

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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.