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Finding the Fourth Proportional to 126.52, 174.18 and 110.08

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Solution

The fourth proportional to 126.52, 174.18 and 110.08 is: 151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126.52 : 174.18 = 110.08 : x
  2. Step 2: Convert to fraction form
    126.52/174.18 = 110.08/x
  3. Step 3: Cross multiply
    126.52x = 174.18 × 110.08
  4. Step 4: Simplify right side
    126.52x = 19,173.73
  5. Step 5: Solve for x
    x = 19,173.73/126.52
  6. Step 6: Final answer
    x = 151.55

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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.