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Finding the Fourth Proportional to 242.01, 362.91 and 104.97

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Solution

The fourth proportional to 242.01, 362.91 and 104.97 is: 157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.01 : 362.91 = 104.97 : x
  2. Step 2: Convert to fraction form
    242.01/362.91 = 104.97/x
  3. Step 3: Cross multiply
    242.01x = 362.91 × 104.97
  4. Step 4: Simplify right side
    242.01x = 38,094.66
  5. Step 5: Solve for x
    x = 38,094.66/242.01
  6. Step 6: Final answer
    x = 157.41

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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.