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Finding the Fourth Proportional to 165.41, 248.03 and 62.66

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Solution

The fourth proportional to 165.41, 248.03 and 62.66 is: 93.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.41 : 248.03 = 62.66 : x
  2. Step 2: Convert to fraction form
    165.41/248.03 = 62.66/x
  3. Step 3: Cross multiply
    165.41x = 248.03 × 62.66
  4. Step 4: Simplify right side
    165.41x = 15,542.34
  5. Step 5: Solve for x
    x = 15,542.34/165.41
  6. Step 6: Final answer
    x = 93.96

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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.