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Finding the Fourth Proportional to 179,843.80, 270,057.30 and 120,940.60

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Solution

The fourth proportional to 179,843.80, 270,057.30 and 120,940.60 is: 181,606.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,843.80 : 270,057.30 = 120,940.60 : x
  2. Step 2: Convert to fraction form
    179,843.80/270,057.30 = 120,940.60/x
  3. Step 3: Cross multiply
    179,843.80x = 270,057.30 × 120,940.60
  4. Step 4: Simplify right side
    179,843.80x = 32,660,891,896.38
  5. Step 5: Solve for x
    x = 32,660,891,896.38/179,843.80
  6. Step 6: Final answer
    x = 181,606.99

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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.