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Finding the Fourth Proportional to 116.11, 160.41 and 94.47

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Solution

The fourth proportional to 116.11, 160.41 and 94.47 is: 130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.11 : 160.41 = 94.47 : x
  2. Step 2: Convert to fraction form
    116.11/160.41 = 94.47/x
  3. Step 3: Cross multiply
    116.11x = 160.41 × 94.47
  4. Step 4: Simplify right side
    116.11x = 15,153.93
  5. Step 5: Solve for x
    x = 15,153.93/116.11
  6. Step 6: Final answer
    x = 130.51

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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.