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Finding the Fourth Proportional to 112.07, 167.94 and 95.06

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Solution

The fourth proportional to 112.07, 167.94 and 95.06 is: 142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.07 : 167.94 = 95.06 : x
  2. Step 2: Convert to fraction form
    112.07/167.94 = 95.06/x
  3. Step 3: Cross multiply
    112.07x = 167.94 × 95.06
  4. Step 4: Simplify right side
    112.07x = 15,963.54
  5. Step 5: Solve for x
    x = 15,963.54/112.07
  6. Step 6: Final answer
    x = 142.45

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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.