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Finding the Fourth Proportional to 116.73, 160.65 and 116.46

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Solution

The fourth proportional to 116.73, 160.65 and 116.46 is: 160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.73 : 160.65 = 116.46 : x
  2. Step 2: Convert to fraction form
    116.73/160.65 = 116.46/x
  3. Step 3: Cross multiply
    116.73x = 160.65 × 116.46
  4. Step 4: Simplify right side
    116.73x = 18,709.30
  5. Step 5: Solve for x
    x = 18,709.30/116.73
  6. Step 6: Final answer
    x = 160.28

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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.