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Finding the Fourth Proportional to 116.23, 175.16 and 110.74

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Solution

The fourth proportional to 116.23, 175.16 and 110.74 is: 166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.23 : 175.16 = 110.74 : x
  2. Step 2: Convert to fraction form
    116.23/175.16 = 110.74/x
  3. Step 3: Cross multiply
    116.23x = 175.16 × 110.74
  4. Step 4: Simplify right side
    116.23x = 19,397.22
  5. Step 5: Solve for x
    x = 19,397.22/116.23
  6. Step 6: Final answer
    x = 166.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.