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Finding the Fourth Proportional to 222.97, 334 and 136.26

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Solution

The fourth proportional to 222.97, 334 and 136.26 is: 204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.97 : 334 = 136.26 : x
  2. Step 2: Convert to fraction form
    222.97/334 = 136.26/x
  3. Step 3: Cross multiply
    222.97x = 334 × 136.26
  4. Step 4: Simplify right side
    222.97x = 45,510.84
  5. Step 5: Solve for x
    x = 45,510.84/222.97
  6. Step 6: Final answer
    x = 204.11

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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.