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Finding the Fourth Proportional to 241.98, 363 and 120.24

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Solution

The fourth proportional to 241.98, 363 and 120.24 is: 180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.98 : 363 = 120.24 : x
  2. Step 2: Convert to fraction form
    241.98/363 = 120.24/x
  3. Step 3: Cross multiply
    241.98x = 363 × 120.24
  4. Step 4: Simplify right side
    241.98x = 43,647.12
  5. Step 5: Solve for x
    x = 43,647.12/241.98
  6. Step 6: Final answer
    x = 180.37

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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.