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Finding the Fourth Proportional to 240.27, 360.44 and 124.40

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Solution

The fourth proportional to 240.27, 360.44 and 124.40 is: 186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.27 : 360.44 = 124.40 : x
  2. Step 2: Convert to fraction form
    240.27/360.44 = 124.40/x
  3. Step 3: Cross multiply
    240.27x = 360.44 × 124.40
  4. Step 4: Simplify right side
    240.27x = 44,836.31
  5. Step 5: Solve for x
    x = 44,836.31/240.27
  6. Step 6: Final answer
    x = 186.61

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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.