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Finding the Fourth Proportional to 222.36, 306.06 and 167.16

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Solution

The fourth proportional to 222.36, 306.06 and 167.16 is: 230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.36 : 306.06 = 167.16 : x
  2. Step 2: Convert to fraction form
    222.36/306.06 = 167.16/x
  3. Step 3: Cross multiply
    222.36x = 306.06 × 167.16
  4. Step 4: Simplify right side
    222.36x = 51,160.99
  5. Step 5: Solve for x
    x = 51,160.99/222.36
  6. Step 6: Final answer
    x = 230.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.