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Finding the Fourth Proportional to 116.05, 174.08 and 34.95

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Solution

The fourth proportional to 116.05, 174.08 and 34.95 is: 52.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.05 : 174.08 = 34.95 : x
  2. Step 2: Convert to fraction form
    116.05/174.08 = 34.95/x
  3. Step 3: Cross multiply
    116.05x = 174.08 × 34.95
  4. Step 4: Simplify right side
    116.05x = 6,083.86
  5. Step 5: Solve for x
    x = 6,083.86/116.05
  6. Step 6: Final answer
    x = 52.42

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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.