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Finding the Fourth Proportional to 240.36, 360.44 and 148.92

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Solution

The fourth proportional to 240.36, 360.44 and 148.92 is: 223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.36 : 360.44 = 148.92 : x
  2. Step 2: Convert to fraction form
    240.36/360.44 = 148.92/x
  3. Step 3: Cross multiply
    240.36x = 360.44 × 148.92
  4. Step 4: Simplify right side
    240.36x = 53,676.72
  5. Step 5: Solve for x
    x = 53,676.72/240.36
  6. Step 6: Final answer
    x = 223.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.