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Finding the Fourth Proportional to 173.24, 259.86 and 49.84

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Solution

The fourth proportional to 173.24, 259.86 and 49.84 is: 74.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.24 : 259.86 = 49.84 : x
  2. Step 2: Convert to fraction form
    173.24/259.86 = 49.84/x
  3. Step 3: Cross multiply
    173.24x = 259.86 × 49.84
  4. Step 4: Simplify right side
    173.24x = 12,951.42
  5. Step 5: Solve for x
    x = 12,951.42/173.24
  6. Step 6: Final answer
    x = 74.76

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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.