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Finding the Fourth Proportional to 240.22, 360.34 and 124.59

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Solution

The fourth proportional to 240.22, 360.34 and 124.59 is: 186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.22 : 360.34 = 124.59 : x
  2. Step 2: Convert to fraction form
    240.22/360.34 = 124.59/x
  3. Step 3: Cross multiply
    240.22x = 360.34 × 124.59
  4. Step 4: Simplify right side
    240.22x = 44,896.50
  5. Step 5: Solve for x
    x = 44,896.50/240.22
  6. Step 6: Final answer
    x = 186.90

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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.