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Finding the Fourth Proportional to 165.03, 247.02 and 116.22

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Solution

The fourth proportional to 165.03, 247.02 and 116.22 is: 173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.03 : 247.02 = 116.22 : x
  2. Step 2: Convert to fraction form
    165.03/247.02 = 116.22/x
  3. Step 3: Cross multiply
    165.03x = 247.02 × 116.22
  4. Step 4: Simplify right side
    165.03x = 28,708.66
  5. Step 5: Solve for x
    x = 28,708.66/165.03
  6. Step 6: Final answer
    x = 173.96

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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.