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Finding the Fourth Proportional to 241.68, 361.84 and 125.87

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Solution

The fourth proportional to 241.68, 361.84 and 125.87 is: 188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.68 : 361.84 = 125.87 : x
  2. Step 2: Convert to fraction form
    241.68/361.84 = 125.87/x
  3. Step 3: Cross multiply
    241.68x = 361.84 × 125.87
  4. Step 4: Simplify right side
    241.68x = 45,544.80
  5. Step 5: Solve for x
    x = 45,544.80/241.68
  6. Step 6: Final answer
    x = 188.45

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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.