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Finding the Fourth Proportional to 165.67, 228.62 and 92.00

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Solution

The fourth proportional to 165.67, 228.62 and 92.00 is: 126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.67 : 228.62 = 92.00 : x
  2. Step 2: Convert to fraction form
    165.67/228.62 = 92.00/x
  3. Step 3: Cross multiply
    165.67x = 228.62 × 92.00
  4. Step 4: Simplify right side
    165.67x = 21,032.56
  5. Step 5: Solve for x
    x = 21,032.56/165.67
  6. Step 6: Final answer
    x = 126.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.