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Finding the Fourth Proportional to 160.95, 222.16 and 95.48

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Solution

The fourth proportional to 160.95, 222.16 and 95.48 is: 131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.95 : 222.16 = 95.48 : x
  2. Step 2: Convert to fraction form
    160.95/222.16 = 95.48/x
  3. Step 3: Cross multiply
    160.95x = 222.16 × 95.48
  4. Step 4: Simplify right side
    160.95x = 21,211.50
  5. Step 5: Solve for x
    x = 21,211.50/160.95
  6. Step 6: Final answer
    x = 131.79

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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.