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Finding the Fourth Proportional to 116.94, 175.16 and 113.56

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Solution

The fourth proportional to 116.94, 175.16 and 113.56 is: 170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.94 : 175.16 = 113.56 : x
  2. Step 2: Convert to fraction form
    116.94/175.16 = 113.56/x
  3. Step 3: Cross multiply
    116.94x = 175.16 × 113.56
  4. Step 4: Simplify right side
    116.94x = 19,891.17
  5. Step 5: Solve for x
    x = 19,891.17/116.94
  6. Step 6: Final answer
    x = 170.10

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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.