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Finding the Fourth Proportional to 116.05, 174.04 and 41.91

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Solution

The fourth proportional to 116.05, 174.04 and 41.91 is: 62.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.05 : 174.04 = 41.91 : x
  2. Step 2: Convert to fraction form
    116.05/174.04 = 41.91/x
  3. Step 3: Cross multiply
    116.05x = 174.04 × 41.91
  4. Step 4: Simplify right side
    116.05x = 7,294.02
  5. Step 5: Solve for x
    x = 7,294.02/116.05
  6. Step 6: Final answer
    x = 62.85

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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.