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Finding the Fourth Proportional to 241.94, 362.88 and 79.62

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Solution

The fourth proportional to 241.94, 362.88 and 79.62 is: 119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.94 : 362.88 = 79.62 : x
  2. Step 2: Convert to fraction form
    241.94/362.88 = 79.62/x
  3. Step 3: Cross multiply
    241.94x = 362.88 × 79.62
  4. Step 4: Simplify right side
    241.94x = 28,892.51
  5. Step 5: Solve for x
    x = 28,892.51/241.94
  6. Step 6: Final answer
    x = 119.42

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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.