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Finding the Fourth Proportional to 116.52, 160.62 and 95.70

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Solution

The fourth proportional to 116.52, 160.62 and 95.70 is: 131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.52 : 160.62 = 95.70 : x
  2. Step 2: Convert to fraction form
    116.52/160.62 = 95.70/x
  3. Step 3: Cross multiply
    116.52x = 160.62 × 95.70
  4. Step 4: Simplify right side
    116.52x = 15,371.33
  5. Step 5: Solve for x
    x = 15,371.33/116.52
  6. Step 6: Final answer
    x = 131.92

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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.