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Finding the Fourth Proportional to 241.84, 333.68 and 143.63

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Solution

The fourth proportional to 241.84, 333.68 and 143.63 is: 198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.84 : 333.68 = 143.63 : x
  2. Step 2: Convert to fraction form
    241.84/333.68 = 143.63/x
  3. Step 3: Cross multiply
    241.84x = 333.68 × 143.63
  4. Step 4: Simplify right side
    241.84x = 47,926.46
  5. Step 5: Solve for x
    x = 47,926.46/241.84
  6. Step 6: Final answer
    x = 198.17

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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.