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Finding the Fourth Proportional to 170.01, 234.18 and 126.27

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Solution

The fourth proportional to 170.01, 234.18 and 126.27 is: 173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.01 : 234.18 = 126.27 : x
  2. Step 2: Convert to fraction form
    170.01/234.18 = 126.27/x
  3. Step 3: Cross multiply
    170.01x = 234.18 × 126.27
  4. Step 4: Simplify right side
    170.01x = 29,569.91
  5. Step 5: Solve for x
    x = 29,569.91/170.01
  6. Step 6: Final answer
    x = 173.93

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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.