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Finding the Fourth Proportional to 241.97, 362.85 and 87.93

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Solution

The fourth proportional to 241.97, 362.85 and 87.93 is: 131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.97 : 362.85 = 87.93 : x
  2. Step 2: Convert to fraction form
    241.97/362.85 = 87.93/x
  3. Step 3: Cross multiply
    241.97x = 362.85 × 87.93
  4. Step 4: Simplify right side
    241.97x = 31,905.40
  5. Step 5: Solve for x
    x = 31,905.40/241.97
  6. Step 6: Final answer
    x = 131.86

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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.