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Finding the Fourth Proportional to 175.96, 263.74 and 166.34

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Solution

The fourth proportional to 175.96, 263.74 and 166.34 is: 249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.96 : 263.74 = 166.34 : x
  2. Step 2: Convert to fraction form
    175.96/263.74 = 166.34/x
  3. Step 3: Cross multiply
    175.96x = 263.74 × 166.34
  4. Step 4: Simplify right side
    175.96x = 43,870.51
  5. Step 5: Solve for x
    x = 43,870.51/175.96
  6. Step 6: Final answer
    x = 249.32

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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.