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Finding the Fourth Proportional to 116.57, 160.88 and 67.44

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Solution

The fourth proportional to 116.57, 160.88 and 67.44 is: 93.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.57 : 160.88 = 67.44 : x
  2. Step 2: Convert to fraction form
    116.57/160.88 = 67.44/x
  3. Step 3: Cross multiply
    116.57x = 160.88 × 67.44
  4. Step 4: Simplify right side
    116.57x = 10,849.41
  5. Step 5: Solve for x
    x = 10,849.41/116.57
  6. Step 6: Final answer
    x = 93.08

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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.