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Finding the Fourth Proportional to 174.97, 261.07 and 173.95

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Solution

The fourth proportional to 174.97, 261.07 and 173.95 is: 259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.97 : 261.07 = 173.95 : x
  2. Step 2: Convert to fraction form
    174.97/261.07 = 173.95/x
  3. Step 3: Cross multiply
    174.97x = 261.07 × 173.95
  4. Step 4: Simplify right side
    174.97x = 45,413.13
  5. Step 5: Solve for x
    x = 45,413.13/174.97
  6. Step 6: Final answer
    x = 259.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.