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Finding the Fourth Proportional to 241.42, 362.16 and 79.06

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Solution

The fourth proportional to 241.42, 362.16 and 79.06 is: 118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.42 : 362.16 = 79.06 : x
  2. Step 2: Convert to fraction form
    241.42/362.16 = 79.06/x
  3. Step 3: Cross multiply
    241.42x = 362.16 × 79.06
  4. Step 4: Simplify right side
    241.42x = 28,631.46
  5. Step 5: Solve for x
    x = 28,631.46/241.42
  6. Step 6: Final answer
    x = 118.60

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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.