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Finding the Fourth Proportional to 195,912.40, 293,609.40 and 173,621.20

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Solution

The fourth proportional to 195,912.40, 293,609.40 and 173,621.20 is: 260,202.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,912.40 : 293,609.40 = 173,621.20 : x
  2. Step 2: Convert to fraction form
    195,912.40/293,609.40 = 173,621.20/x
  3. Step 3: Cross multiply
    195,912.40x = 293,609.40 × 173,621.20
  4. Step 4: Simplify right side
    195,912.40x = 50,976,816,359.28
  5. Step 5: Solve for x
    x = 50,976,816,359.28/195,912.40
  6. Step 6: Final answer
    x = 260,202.09

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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.