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Finding the Fourth Proportional to 165.24, 247.91 and 62.53

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Solution

The fourth proportional to 165.24, 247.91 and 62.53 is: 93.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.24 : 247.91 = 62.53 : x
  2. Step 2: Convert to fraction form
    165.24/247.91 = 62.53/x
  3. Step 3: Cross multiply
    165.24x = 247.91 × 62.53
  4. Step 4: Simplify right side
    165.24x = 15,500.88
  5. Step 5: Solve for x
    x = 15,500.88/165.24
  6. Step 6: Final answer
    x = 93.81

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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.