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Finding the Fourth Proportional to 117.24, 175.82 and 34.95

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Solution

The fourth proportional to 117.24, 175.82 and 34.95 is: 52.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.24 : 175.82 = 34.95 : x
  2. Step 2: Convert to fraction form
    117.24/175.82 = 34.95/x
  3. Step 3: Cross multiply
    117.24x = 175.82 × 34.95
  4. Step 4: Simplify right side
    117.24x = 6,144.73
  5. Step 5: Solve for x
    x = 6,144.73/117.24
  6. Step 6: Final answer
    x = 52.41

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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.