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Finding the Fourth Proportional to 116.26, 160.53 and 94.42

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Solution

The fourth proportional to 116.26, 160.53 and 94.42 is: 130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.26 : 160.53 = 94.42 : x
  2. Step 2: Convert to fraction form
    116.26/160.53 = 94.42/x
  3. Step 3: Cross multiply
    116.26x = 160.53 × 94.42
  4. Step 4: Simplify right side
    116.26x = 15,157.24
  5. Step 5: Solve for x
    x = 15,157.24/116.26
  6. Step 6: Final answer
    x = 130.37

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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.