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Finding the Fourth Proportional to 165.57, 246.62 and 165.26

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Solution

The fourth proportional to 165.57, 246.62 and 165.26 is: 246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.57 : 246.62 = 165.26 : x
  2. Step 2: Convert to fraction form
    165.57/246.62 = 165.26/x
  3. Step 3: Cross multiply
    165.57x = 246.62 × 165.26
  4. Step 4: Simplify right side
    165.57x = 40,756.42
  5. Step 5: Solve for x
    x = 40,756.42/165.57
  6. Step 6: Final answer
    x = 246.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.