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Finding the Fourth Proportional to 222,565.60, 334,107.60 and 133,919.20

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Solution

The fourth proportional to 222,565.60, 334,107.60 and 133,919.20 is: 201,034.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,565.60 : 334,107.60 = 133,919.20 : x
  2. Step 2: Convert to fraction form
    222,565.60/334,107.60 = 133,919.20/x
  3. Step 3: Cross multiply
    222,565.60x = 334,107.60 × 133,919.20
  4. Step 4: Simplify right side
    222,565.60x = 44,743,422,505.92
  5. Step 5: Solve for x
    x = 44,743,422,505.92/222,565.60
  6. Step 6: Final answer
    x = 201,034.76

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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.