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Finding the Fourth Proportional to 160.52, 220.48 and 134.60

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Solution

The fourth proportional to 160.52, 220.48 and 134.60 is: 184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.52 : 220.48 = 134.60 : x
  2. Step 2: Convert to fraction form
    160.52/220.48 = 134.60/x
  3. Step 3: Cross multiply
    160.52x = 220.48 × 134.60
  4. Step 4: Simplify right side
    160.52x = 29,676.61
  5. Step 5: Solve for x
    x = 29,676.61/160.52
  6. Step 6: Final answer
    x = 184.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.