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Finding the Fourth Proportional to 222,943.67, 334,414.59 and 80,755.67

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Solution

The fourth proportional to 222,943.67, 334,414.59 and 80,755.67 is: 121,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,943.67 : 334,414.59 = 80,755.67 : x
  2. Step 2: Convert to fraction form
    222,943.67/334,414.59 = 80,755.67/x
  3. Step 3: Cross multiply
    222,943.67x = 334,414.59 × 80,755.67
  4. Step 4: Simplify right side
    222,943.67x = 27,005,874,806.43
  5. Step 5: Solve for x
    x = 27,005,874,806.43/222,943.67
  6. Step 6: Final answer
    x = 121,133.18

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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.