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Finding the Fourth Proportional to 116.03, 160.16 and 92.71

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Solution

The fourth proportional to 116.03, 160.16 and 92.71 is: 127.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.03 : 160.16 = 92.71 : x
  2. Step 2: Convert to fraction form
    116.03/160.16 = 92.71/x
  3. Step 3: Cross multiply
    116.03x = 160.16 × 92.71
  4. Step 4: Simplify right side
    116.03x = 14,847.57
  5. Step 5: Solve for x
    x = 14,847.57/116.03
  6. Step 6: Final answer
    x = 127.97

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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.