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Finding the Fourth Proportional to 165.35, 247.97 and 62.67

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Solution

The fourth proportional to 165.35, 247.97 and 62.67 is: 93.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.35 : 247.97 = 62.67 : x
  2. Step 2: Convert to fraction form
    165.35/247.97 = 62.67/x
  3. Step 3: Cross multiply
    165.35x = 247.97 × 62.67
  4. Step 4: Simplify right side
    165.35x = 15,539.62
  5. Step 5: Solve for x
    x = 15,539.62/165.35
  6. Step 6: Final answer
    x = 93.98

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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.