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Finding the Fourth Proportional to 161.44, 242.41 and 93.26

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Solution

The fourth proportional to 161.44, 242.41 and 93.26 is: 140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.44 : 242.41 = 93.26 : x
  2. Step 2: Convert to fraction form
    161.44/242.41 = 93.26/x
  3. Step 3: Cross multiply
    161.44x = 242.41 × 93.26
  4. Step 4: Simplify right side
    161.44x = 22,607.16
  5. Step 5: Solve for x
    x = 22,607.16/161.44
  6. Step 6: Final answer
    x = 140.03

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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.