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Finding the Fourth Proportional to 124.26, 186.22 and 63.24

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Solution

The fourth proportional to 124.26, 186.22 and 63.24 is: 94.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.26 : 186.22 = 63.24 : x
  2. Step 2: Convert to fraction form
    124.26/186.22 = 63.24/x
  3. Step 3: Cross multiply
    124.26x = 186.22 × 63.24
  4. Step 4: Simplify right side
    124.26x = 11,776.55
  5. Step 5: Solve for x
    x = 11,776.55/124.26
  6. Step 6: Final answer
    x = 94.77

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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.