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Finding the Fourth Proportional to 175.98, 261.88 and 169.50

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Solution

The fourth proportional to 175.98, 261.88 and 169.50 is: 252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.98 : 261.88 = 169.50 : x
  2. Step 2: Convert to fraction form
    175.98/261.88 = 169.50/x
  3. Step 3: Cross multiply
    175.98x = 261.88 × 169.50
  4. Step 4: Simplify right side
    175.98x = 44,388.66
  5. Step 5: Solve for x
    x = 44,388.66/175.98
  6. Step 6: Final answer
    x = 252.24

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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.