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Finding the Fourth Proportional to 241.56, 362.12 and 126

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Solution

The fourth proportional to 241.56, 362.12 and 126 is: 188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.56 : 362.12 = 126 : x
  2. Step 2: Convert to fraction form
    241.56/362.12 = 126/x
  3. Step 3: Cross multiply
    241.56x = 362.12 × 126
  4. Step 4: Simplify right side
    241.56x = 45,627.12
  5. Step 5: Solve for x
    x = 45,627.12/241.56
  6. Step 6: Final answer
    x = 188.89

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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.