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Finding the Fourth Proportional to 203,402.99, 304,760.03 and 123,198.62

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Solution

The fourth proportional to 203,402.99, 304,760.03 and 123,198.62 is: 184,589.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,402.99 : 304,760.03 = 123,198.62 : x
  2. Step 2: Convert to fraction form
    203,402.99/304,760.03 = 123,198.62/x
  3. Step 3: Cross multiply
    203,402.99x = 304,760.03 × 123,198.62
  4. Step 4: Simplify right side
    203,402.99x = 37,546,012,987.37
  5. Step 5: Solve for x
    x = 37,546,012,987.37/203,402.99
  6. Step 6: Final answer
    x = 184,589.29

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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.