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Finding the Fourth Proportional to 227.24, 340.60 and 124.48

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Solution

The fourth proportional to 227.24, 340.60 and 124.48 is: 186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.24 : 340.60 = 124.48 : x
  2. Step 2: Convert to fraction form
    227.24/340.60 = 124.48/x
  3. Step 3: Cross multiply
    227.24x = 340.60 × 124.48
  4. Step 4: Simplify right side
    227.24x = 42,397.89
  5. Step 5: Solve for x
    x = 42,397.89/227.24
  6. Step 6: Final answer
    x = 186.58

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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.