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Finding the Fourth Proportional to 124.24, 186.39 and 37.58

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Solution

The fourth proportional to 124.24, 186.39 and 37.58 is: 56.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.24 : 186.39 = 37.58 : x
  2. Step 2: Convert to fraction form
    124.24/186.39 = 37.58/x
  3. Step 3: Cross multiply
    124.24x = 186.39 × 37.58
  4. Step 4: Simplify right side
    124.24x = 7,004.54
  5. Step 5: Solve for x
    x = 7,004.54/124.24
  6. Step 6: Final answer
    x = 56.38

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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.