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Finding the Fourth Proportional to 179,617.73, 269,280.48 and 67,235

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Solution

The fourth proportional to 179,617.73, 269,280.48 and 67,235 is: 100,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,617.73 : 269,280.48 = 67,235 : x
  2. Step 2: Convert to fraction form
    179,617.73/269,280.48 = 67,235/x
  3. Step 3: Cross multiply
    179,617.73x = 269,280.48 × 67,235
  4. Step 4: Simplify right side
    179,617.73x = 18,105,073,072.80
  5. Step 5: Solve for x
    x = 18,105,073,072.80/179,617.73
  6. Step 6: Final answer
    x = 100,797.81

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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.