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Finding the Fourth Proportional to 116.73, 160.71 and 94.56

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Solution

The fourth proportional to 116.73, 160.71 and 94.56 is: 130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.73 : 160.71 = 94.56 : x
  2. Step 2: Convert to fraction form
    116.73/160.71 = 94.56/x
  3. Step 3: Cross multiply
    116.73x = 160.71 × 94.56
  4. Step 4: Simplify right side
    116.73x = 15,196.74
  5. Step 5: Solve for x
    x = 15,196.74/116.73
  6. Step 6: Final answer
    x = 130.19

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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.