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Finding the Fourth Proportional to 116.35, 174.84 and 113.17

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Solution

The fourth proportional to 116.35, 174.84 and 113.17 is: 170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.35 : 174.84 = 113.17 : x
  2. Step 2: Convert to fraction form
    116.35/174.84 = 113.17/x
  3. Step 3: Cross multiply
    116.35x = 174.84 × 113.17
  4. Step 4: Simplify right side
    116.35x = 19,786.64
  5. Step 5: Solve for x
    x = 19,786.64/116.35
  6. Step 6: Final answer
    x = 170.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.