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Finding the Fourth Proportional to 169.95, 234.52 and 92.32

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Solution

The fourth proportional to 169.95, 234.52 and 92.32 is: 127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.95 : 234.52 = 92.32 : x
  2. Step 2: Convert to fraction form
    169.95/234.52 = 92.32/x
  3. Step 3: Cross multiply
    169.95x = 234.52 × 92.32
  4. Step 4: Simplify right side
    169.95x = 21,651.91
  5. Step 5: Solve for x
    x = 21,651.91/169.95
  6. Step 6: Final answer
    x = 127.40

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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.