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Finding the Fourth Proportional to 160.59, 221.52 and 102.27

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Solution

The fourth proportional to 160.59, 221.52 and 102.27 is: 141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.59 : 221.52 = 102.27 : x
  2. Step 2: Convert to fraction form
    160.59/221.52 = 102.27/x
  3. Step 3: Cross multiply
    160.59x = 221.52 × 102.27
  4. Step 4: Simplify right side
    160.59x = 22,654.85
  5. Step 5: Solve for x
    x = 22,654.85/160.59
  6. Step 6: Final answer
    x = 141.07

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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.