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Finding the Fourth Proportional to 116.63, 160.94 and 67.52

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Solution

The fourth proportional to 116.63, 160.94 and 67.52 is: 93.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.63 : 160.94 = 67.52 : x
  2. Step 2: Convert to fraction form
    116.63/160.94 = 67.52/x
  3. Step 3: Cross multiply
    116.63x = 160.94 × 67.52
  4. Step 4: Simplify right side
    116.63x = 10,865.53
  5. Step 5: Solve for x
    x = 10,865.53/116.63
  6. Step 6: Final answer
    x = 93.17

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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.