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Finding the Fourth Proportional to 124.33, 186.44 and 52.24

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Solution

The fourth proportional to 124.33, 186.44 and 52.24 is: 78.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.33 : 186.44 = 52.24 : x
  2. Step 2: Convert to fraction form
    124.33/186.44 = 52.24/x
  3. Step 3: Cross multiply
    124.33x = 186.44 × 52.24
  4. Step 4: Simplify right side
    124.33x = 9,739.63
  5. Step 5: Solve for x
    x = 9,739.63/124.33
  6. Step 6: Final answer
    x = 78.34

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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.