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Finding the Fourth Proportional to 222,919.70, 334,375.68 and 89,796.56

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Solution

The fourth proportional to 222,919.70, 334,375.68 and 89,796.56 is: 134,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,919.70 : 334,375.68 = 89,796.56 : x
  2. Step 2: Convert to fraction form
    222,919.70/334,375.68 = 89,796.56/x
  3. Step 3: Cross multiply
    222,919.70x = 334,375.68 × 89,796.56
  4. Step 4: Simplify right side
    222,919.70x = 30,025,784,139.78
  5. Step 5: Solve for x
    x = 30,025,784,139.78/222,919.70
  6. Step 6: Final answer
    x = 134,693.27

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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.