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Finding the Fourth Proportional to 222.71, 334.06 and 107.10

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Solution

The fourth proportional to 222.71, 334.06 and 107.10 is: 160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.71 : 334.06 = 107.10 : x
  2. Step 2: Convert to fraction form
    222.71/334.06 = 107.10/x
  3. Step 3: Cross multiply
    222.71x = 334.06 × 107.10
  4. Step 4: Simplify right side
    222.71x = 35,777.83
  5. Step 5: Solve for x
    x = 35,777.83/222.71
  6. Step 6: Final answer
    x = 160.65

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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.