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Finding the Fourth Proportional to 109,786.96, 151,467.24 and 67,330

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Solution

The fourth proportional to 109,786.96, 151,467.24 and 67,330 is: 92,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,786.96 : 151,467.24 = 67,330 : x
  2. Step 2: Convert to fraction form
    109,786.96/151,467.24 = 67,330/x
  3. Step 3: Cross multiply
    109,786.96x = 151,467.24 × 67,330
  4. Step 4: Simplify right side
    109,786.96x = 10,198,289,269.20
  5. Step 5: Solve for x
    x = 10,198,289,269.20/109,786.96
  6. Step 6: Final answer
    x = 92,891.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.