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Finding the Fourth Proportional to 167.05, 250.23 and 98.36

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Solution

The fourth proportional to 167.05, 250.23 and 98.36 is: 147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.05 : 250.23 = 98.36 : x
  2. Step 2: Convert to fraction form
    167.05/250.23 = 98.36/x
  3. Step 3: Cross multiply
    167.05x = 250.23 × 98.36
  4. Step 4: Simplify right side
    167.05x = 24,612.83
  5. Step 5: Solve for x
    x = 24,612.83/167.05
  6. Step 6: Final answer
    x = 147.34

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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.