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Finding the Fourth Proportional to 160.95, 241.46 and 52.73

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Solution

The fourth proportional to 160.95, 241.46 and 52.73 is: 79.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.95 : 241.46 = 52.73 : x
  2. Step 2: Convert to fraction form
    160.95/241.46 = 52.73/x
  3. Step 3: Cross multiply
    160.95x = 241.46 × 52.73
  4. Step 4: Simplify right side
    160.95x = 12,733.03
  5. Step 5: Solve for x
    x = 12,733.03/160.95
  6. Step 6: Final answer
    x = 79.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.