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Finding the Fourth Proportional to 222.94, 334.45 and 107.37

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Solution

The fourth proportional to 222.94, 334.45 and 107.37 is: 161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.94 : 334.45 = 107.37 : x
  2. Step 2: Convert to fraction form
    222.94/334.45 = 107.37/x
  3. Step 3: Cross multiply
    222.94x = 334.45 × 107.37
  4. Step 4: Simplify right side
    222.94x = 35,907.69
  5. Step 5: Solve for x
    x = 35,907.69/222.94
  6. Step 6: Final answer
    x = 161.06

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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.