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Finding the Fourth Proportional to 173.15, 238.94 and 95.53

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Solution

The fourth proportional to 173.15, 238.94 and 95.53 is: 131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.15 : 238.94 = 95.53 : x
  2. Step 2: Convert to fraction form
    173.15/238.94 = 95.53/x
  3. Step 3: Cross multiply
    173.15x = 238.94 × 95.53
  4. Step 4: Simplify right side
    173.15x = 22,825.94
  5. Step 5: Solve for x
    x = 22,825.94/173.15
  6. Step 6: Final answer
    x = 131.83

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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.