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Finding the Fourth Proportional to 228.11, 341.24 and 166.03

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Solution

The fourth proportional to 228.11, 341.24 and 166.03 is: 248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    228.11 : 341.24 = 166.03 : x
  2. Step 2: Convert to fraction form
    228.11/341.24 = 166.03/x
  3. Step 3: Cross multiply
    228.11x = 341.24 × 166.03
  4. Step 4: Simplify right side
    228.11x = 56,653.54
  5. Step 5: Solve for x
    x = 56,653.54/228.11
  6. Step 6: Final answer
    x = 248.36

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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.