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Finding the Fourth Proportional to 116.44, 160.52 and 88.44

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Solution

The fourth proportional to 116.44, 160.52 and 88.44 is: 121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.44 : 160.52 = 88.44 : x
  2. Step 2: Convert to fraction form
    116.44/160.52 = 88.44/x
  3. Step 3: Cross multiply
    116.44x = 160.52 × 88.44
  4. Step 4: Simplify right side
    116.44x = 14,196.39
  5. Step 5: Solve for x
    x = 14,196.39/116.44
  6. Step 6: Final answer
    x = 121.92

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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.