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Finding the Fourth Proportional to 240.96, 361.64 and 125.48

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Solution

The fourth proportional to 240.96, 361.64 and 125.48 is: 188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.96 : 361.64 = 125.48 : x
  2. Step 2: Convert to fraction form
    240.96/361.64 = 125.48/x
  3. Step 3: Cross multiply
    240.96x = 361.64 × 125.48
  4. Step 4: Simplify right side
    240.96x = 45,378.59
  5. Step 5: Solve for x
    x = 45,378.59/240.96
  6. Step 6: Final answer
    x = 188.32

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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.