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Finding the Fourth Proportional to 241.65, 333.59 and 143.44

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Solution

The fourth proportional to 241.65, 333.59 and 143.44 is: 198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.65 : 333.59 = 143.44 : x
  2. Step 2: Convert to fraction form
    241.65/333.59 = 143.44/x
  3. Step 3: Cross multiply
    241.65x = 333.59 × 143.44
  4. Step 4: Simplify right side
    241.65x = 47,848.60
  5. Step 5: Solve for x
    x = 47,848.60/241.65
  6. Step 6: Final answer
    x = 198.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.