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Finding the Fourth Proportional to 174.69, 263.39 and 162.95

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Solution

The fourth proportional to 174.69, 263.39 and 162.95 is: 245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.69 : 263.39 = 162.95 : x
  2. Step 2: Convert to fraction form
    174.69/263.39 = 162.95/x
  3. Step 3: Cross multiply
    174.69x = 263.39 × 162.95
  4. Step 4: Simplify right side
    174.69x = 42,917.27
  5. Step 5: Solve for x
    x = 42,917.27/174.69
  6. Step 6: Final answer
    x = 245.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.