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Finding the Fourth Proportional to 250,704.36, 376,019.46 and 73,163.70

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Solution

The fourth proportional to 250,704.36, 376,019.46 and 73,163.70 is: 109,734.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,704.36 : 376,019.46 = 73,163.70 : x
  2. Step 2: Convert to fraction form
    250,704.36/376,019.46 = 73,163.70/x
  3. Step 3: Cross multiply
    250,704.36x = 376,019.46 × 73,163.70
  4. Step 4: Simplify right side
    250,704.36x = 27,510,974,965.60
  5. Step 5: Solve for x
    x = 27,510,974,965.60/250,704.36
  6. Step 6: Final answer
    x = 109,734.73

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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.