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Finding the Fourth Proportional to 173.94, 261 and 164.76

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Solution

The fourth proportional to 173.94, 261 and 164.76 is: 247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.94 : 261 = 164.76 : x
  2. Step 2: Convert to fraction form
    173.94/261 = 164.76/x
  3. Step 3: Cross multiply
    173.94x = 261 × 164.76
  4. Step 4: Simplify right side
    173.94x = 43,002.36
  5. Step 5: Solve for x
    x = 43,002.36/173.94
  6. Step 6: Final answer
    x = 247.23

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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.