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Finding the Fourth Proportional to 160.92, 222.06 and 102.68

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Solution

The fourth proportional to 160.92, 222.06 and 102.68 is: 141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.92 : 222.06 = 102.68 : x
  2. Step 2: Convert to fraction form
    160.92/222.06 = 102.68/x
  3. Step 3: Cross multiply
    160.92x = 222.06 × 102.68
  4. Step 4: Simplify right side
    160.92x = 22,801.12
  5. Step 5: Solve for x
    x = 22,801.12/160.92
  6. Step 6: Final answer
    x = 141.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.