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Finding the Fourth Proportional to 116.15, 174.25 and 34.98

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Solution

The fourth proportional to 116.15, 174.25 and 34.98 is: 52.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.15 : 174.25 = 34.98 : x
  2. Step 2: Convert to fraction form
    116.15/174.25 = 34.98/x
  3. Step 3: Cross multiply
    116.15x = 174.25 × 34.98
  4. Step 4: Simplify right side
    116.15x = 6,095.44
  5. Step 5: Solve for x
    x = 6,095.44/116.15
  6. Step 6: Final answer
    x = 52.48

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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.