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Finding the Fourth Proportional to 222.73, 333 and 188.87

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Solution

The fourth proportional to 222.73, 333 and 188.87 is: 282.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.73 : 333 = 188.87 : x
  2. Step 2: Convert to fraction form
    222.73/333 = 188.87/x
  3. Step 3: Cross multiply
    222.73x = 333 × 188.87
  4. Step 4: Simplify right side
    222.73x = 62,893.71
  5. Step 5: Solve for x
    x = 62,893.71/222.73
  6. Step 6: Final answer
    x = 282.38

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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.