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Finding the Fourth Proportional to 116.08, 174.09 and 34.91

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Solution

The fourth proportional to 116.08, 174.09 and 34.91 is: 52.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.08 : 174.09 = 34.91 : x
  2. Step 2: Convert to fraction form
    116.08/174.09 = 34.91/x
  3. Step 3: Cross multiply
    116.08x = 174.09 × 34.91
  4. Step 4: Simplify right side
    116.08x = 6,077.13
  5. Step 5: Solve for x
    x = 6,077.13/116.08
  6. Step 6: Final answer
    x = 52.35

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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.