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Finding the Fourth Proportional to 222, 306 and 185.04

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Solution

The fourth proportional to 222, 306 and 185.04 is: 255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222 : 306 = 185.04 : x
  2. Step 2: Convert to fraction form
    222/306 = 185.04/x
  3. Step 3: Cross multiply
    222x = 306 × 185.04
  4. Step 4: Simplify right side
    222x = 56,622.24
  5. Step 5: Solve for x
    x = 56,622.24/222
  6. Step 6: Final answer
    x = 255.06

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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.