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Finding the Fourth Proportional to 304,052.20, 419,589.22 and 168,094.60

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Solution

The fourth proportional to 304,052.20, 419,589.22 and 168,094.60 is: 231,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,052.20 : 419,589.22 = 168,094.60 : x
  2. Step 2: Convert to fraction form
    304,052.20/419,589.22 = 168,094.60/x
  3. Step 3: Cross multiply
    304,052.20x = 419,589.22 × 168,094.60
  4. Step 4: Simplify right side
    304,052.20x = 70,530,682,100.21
  5. Step 5: Solve for x
    x = 70,530,682,100.21/304,052.20
  6. Step 6: Final answer
    x = 231,968.99

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Why These Related Problems?

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