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Finding the Fourth Proportional to 173.64, 260.11 and 95.38

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Solution

The fourth proportional to 173.64, 260.11 and 95.38 is: 142.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.64 : 260.11 = 95.38 : x
  2. Step 2: Convert to fraction form
    173.64/260.11 = 95.38/x
  3. Step 3: Cross multiply
    173.64x = 260.11 × 95.38
  4. Step 4: Simplify right side
    173.64x = 24,808.76
  5. Step 5: Solve for x
    x = 24,808.76/173.64
  6. Step 6: Final answer
    x = 142.87

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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.