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Finding the Fourth Proportional to 262,910.67, 394,208.06 and 102,795.85

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Solution

The fourth proportional to 262,910.67, 394,208.06 and 102,795.85 is: 154,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,910.67 : 394,208.06 = 102,795.85 : x
  2. Step 2: Convert to fraction form
    262,910.67/394,208.06 = 102,795.85/x
  3. Step 3: Cross multiply
    262,910.67x = 394,208.06 × 102,795.85
  4. Step 4: Simplify right side
    262,910.67x = 40,522,951,105.05
  5. Step 5: Solve for x
    x = 40,522,951,105.05/262,910.67
  6. Step 6: Final answer
    x = 154,132.01

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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.