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Finding the Fourth Proportional to 173,273.39, 259,942.49 and 54,912.95

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Solution

The fourth proportional to 173,273.39, 259,942.49 and 54,912.95 is: 82,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,273.39 : 259,942.49 = 54,912.95 : x
  2. Step 2: Convert to fraction form
    173,273.39/259,942.49 = 54,912.95/x
  3. Step 3: Cross multiply
    173,273.39x = 259,942.49 × 54,912.95
  4. Step 4: Simplify right side
    173,273.39x = 14,274,208,956.25
  5. Step 5: Solve for x
    x = 14,274,208,956.25/173,273.39
  6. Step 6: Final answer
    x = 82,379.69

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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.