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Finding the Fourth Proportional to 167.57, 251.53 and 124.10

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Solution

The fourth proportional to 167.57, 251.53 and 124.10 is: 186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.57 : 251.53 = 124.10 : x
  2. Step 2: Convert to fraction form
    167.57/251.53 = 124.10/x
  3. Step 3: Cross multiply
    167.57x = 251.53 × 124.10
  4. Step 4: Simplify right side
    167.57x = 31,214.87
  5. Step 5: Solve for x
    x = 31,214.87/167.57
  6. Step 6: Final answer
    x = 186.28

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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.