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Finding the Fourth Proportional to 112.50, 167.52 and 110.10

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Solution

The fourth proportional to 112.50, 167.52 and 110.10 is: 163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.50 : 167.52 = 110.10 : x
  2. Step 2: Convert to fraction form
    112.50/167.52 = 110.10/x
  3. Step 3: Cross multiply
    112.50x = 167.52 × 110.10
  4. Step 4: Simplify right side
    112.50x = 18,443.95
  5. Step 5: Solve for x
    x = 18,443.95/112.50
  6. Step 6: Final answer
    x = 163.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.