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Finding the Fourth Proportional to 116.48, 160.72 and 95.92

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Solution

The fourth proportional to 116.48, 160.72 and 95.92 is: 132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.48 : 160.72 = 95.92 : x
  2. Step 2: Convert to fraction form
    116.48/160.72 = 95.92/x
  3. Step 3: Cross multiply
    116.48x = 160.72 × 95.92
  4. Step 4: Simplify right side
    116.48x = 15,416.26
  5. Step 5: Solve for x
    x = 15,416.26/116.48
  6. Step 6: Final answer
    x = 132.35

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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.