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Finding the Fourth Proportional to 173.11, 259.61 and 96.11

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Solution

The fourth proportional to 173.11, 259.61 and 96.11 is: 144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.11 : 259.61 = 96.11 : x
  2. Step 2: Convert to fraction form
    173.11/259.61 = 96.11/x
  3. Step 3: Cross multiply
    173.11x = 259.61 × 96.11
  4. Step 4: Simplify right side
    173.11x = 24,951.12
  5. Step 5: Solve for x
    x = 24,951.12/173.11
  6. Step 6: Final answer
    x = 144.13

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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.