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Finding the Fourth Proportional to 273,906.73, 410,860.11 and 74,227.11

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Solution

The fourth proportional to 273,906.73, 410,860.11 and 74,227.11 is: 111,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,906.73 : 410,860.11 = 74,227.11 : x
  2. Step 2: Convert to fraction form
    273,906.73/410,860.11 = 74,227.11/x
  3. Step 3: Cross multiply
    273,906.73x = 410,860.11 × 74,227.11
  4. Step 4: Simplify right side
    273,906.73x = 30,496,958,579.58
  5. Step 5: Solve for x
    x = 30,496,958,579.58/273,906.73
  6. Step 6: Final answer
    x = 111,340.67

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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.