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Finding the Fourth Proportional to 222.67, 333.73 and 186.49

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Solution

The fourth proportional to 222.67, 333.73 and 186.49 is: 279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.67 : 333.73 = 186.49 : x
  2. Step 2: Convert to fraction form
    222.67/333.73 = 186.49/x
  3. Step 3: Cross multiply
    222.67x = 333.73 × 186.49
  4. Step 4: Simplify right side
    222.67x = 62,237.31
  5. Step 5: Solve for x
    x = 62,237.31/222.67
  6. Step 6: Final answer
    x = 279.50

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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.