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Finding the Fourth Proportional to 222.68, 333.52 and 106.94

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Solution

The fourth proportional to 222.68, 333.52 and 106.94 is: 160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.68 : 333.52 = 106.94 : x
  2. Step 2: Convert to fraction form
    222.68/333.52 = 106.94/x
  3. Step 3: Cross multiply
    222.68x = 333.52 × 106.94
  4. Step 4: Simplify right side
    222.68x = 35,666.63
  5. Step 5: Solve for x
    x = 35,666.63/222.68
  6. Step 6: Final answer
    x = 160.17

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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.