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Finding the Fourth Proportional to 167.50, 250.63 and 106.35

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Solution

The fourth proportional to 167.50, 250.63 and 106.35 is: 159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.50 : 250.63 = 106.35 : x
  2. Step 2: Convert to fraction form
    167.50/250.63 = 106.35/x
  3. Step 3: Cross multiply
    167.50x = 250.63 × 106.35
  4. Step 4: Simplify right side
    167.50x = 26,654.50
  5. Step 5: Solve for x
    x = 26,654.50/167.50
  6. Step 6: Final answer
    x = 159.13

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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.