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Finding the Fourth Proportional to 173.10, 238.41 and 160.12

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Solution

The fourth proportional to 173.10, 238.41 and 160.12 is: 220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.10 : 238.41 = 160.12 : x
  2. Step 2: Convert to fraction form
    173.10/238.41 = 160.12/x
  3. Step 3: Cross multiply
    173.10x = 238.41 × 160.12
  4. Step 4: Simplify right side
    173.10x = 38,174.21
  5. Step 5: Solve for x
    x = 38,174.21/173.10
  6. Step 6: Final answer
    x = 220.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.