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Finding the Fourth Proportional to 222.76, 334 and 94.48

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Solution

The fourth proportional to 222.76, 334 and 94.48 is: 141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.76 : 334 = 94.48 : x
  2. Step 2: Convert to fraction form
    222.76/334 = 94.48/x
  3. Step 3: Cross multiply
    222.76x = 334 × 94.48
  4. Step 4: Simplify right side
    222.76x = 31,556.32
  5. Step 5: Solve for x
    x = 31,556.32/222.76
  6. Step 6: Final answer
    x = 141.66

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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.