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Finding the Fourth Proportional to 68,600.87, 102,768.15 and 50,556.33

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Solution

The fourth proportional to 68,600.87, 102,768.15 and 50,556.33 is: 75,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,600.87 : 102,768.15 = 50,556.33 : x
  2. Step 2: Convert to fraction form
    68,600.87/102,768.15 = 50,556.33/x
  3. Step 3: Cross multiply
    68,600.87x = 102,768.15 × 50,556.33
  4. Step 4: Simplify right side
    68,600.87x = 5,195,579,738.27
  5. Step 5: Solve for x
    x = 5,195,579,738.27/68,600.87
  6. Step 6: Final answer
    x = 75,736.35

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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.