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Finding the Fourth Proportional to 222,788.80, 334,183.20 and 196,544.80

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Solution

The fourth proportional to 222,788.80, 334,183.20 and 196,544.80 is: 294,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,788.80 : 334,183.20 = 196,544.80 : x
  2. Step 2: Convert to fraction form
    222,788.80/334,183.20 = 196,544.80/x
  3. Step 3: Cross multiply
    222,788.80x = 334,183.20 × 196,544.80
  4. Step 4: Simplify right side
    222,788.80x = 65,681,970,207.36
  5. Step 5: Solve for x
    x = 65,681,970,207.36/222,788.80
  6. Step 6: Final answer
    x = 294,817.20

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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.