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Finding the Fourth Proportional to 241.84, 362.78 and 79.53

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Solution

The fourth proportional to 241.84, 362.78 and 79.53 is: 119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.84 : 362.78 = 79.53 : x
  2. Step 2: Convert to fraction form
    241.84/362.78 = 79.53/x
  3. Step 3: Cross multiply
    241.84x = 362.78 × 79.53
  4. Step 4: Simplify right side
    241.84x = 28,852.47
  5. Step 5: Solve for x
    x = 28,852.47/241.84
  6. Step 6: Final answer
    x = 119.31

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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.