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Finding the Fourth Proportional to 170.01, 234.62 and 92.39

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Solution

The fourth proportional to 170.01, 234.62 and 92.39 is: 127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.01 : 234.62 = 92.39 : x
  2. Step 2: Convert to fraction form
    170.01/234.62 = 92.39/x
  3. Step 3: Cross multiply
    170.01x = 234.62 × 92.39
  4. Step 4: Simplify right side
    170.01x = 21,674.91
  5. Step 5: Solve for x
    x = 21,674.91/170.01
  6. Step 6: Final answer
    x = 127.49

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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.