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Finding the Fourth Proportional to 193,766.29, 290,228.79 and 93,716.67

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Solution

The fourth proportional to 193,766.29, 290,228.79 and 93,716.67 is: 140,371.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,766.29 : 290,228.79 = 93,716.67 : x
  2. Step 2: Convert to fraction form
    193,766.29/290,228.79 = 93,716.67/x
  3. Step 3: Cross multiply
    193,766.29x = 290,228.79 × 93,716.67
  4. Step 4: Simplify right side
    193,766.29x = 27,199,275,736.93
  5. Step 5: Solve for x
    x = 27,199,275,736.93/193,766.29
  6. Step 6: Final answer
    x = 140,371.56

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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.