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Finding the Fourth Proportional to 173,273.14, 259,942.11 and 54,912.70

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Solution

The fourth proportional to 173,273.14, 259,942.11 and 54,912.70 is: 82,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,273.14 : 259,942.11 = 54,912.70 : x
  2. Step 2: Convert to fraction form
    173,273.14/259,942.11 = 54,912.70/x
  3. Step 3: Cross multiply
    173,273.14x = 259,942.11 × 54,912.70
  4. Step 4: Simplify right side
    173,273.14x = 14,274,123,103.80
  5. Step 5: Solve for x
    x = 14,274,123,103.80/173,273.14
  6. Step 6: Final answer
    x = 82,379.32

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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.