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Finding the Fourth Proportional to 238.01, 356.93 and 108.01

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Solution

The fourth proportional to 238.01, 356.93 and 108.01 is: 161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.01 : 356.93 = 108.01 : x
  2. Step 2: Convert to fraction form
    238.01/356.93 = 108.01/x
  3. Step 3: Cross multiply
    238.01x = 356.93 × 108.01
  4. Step 4: Simplify right side
    238.01x = 38,549.68
  5. Step 5: Solve for x
    x = 38,549.68/238.01
  6. Step 6: Final answer
    x = 161.97

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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.