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Finding the Fourth Proportional to 116.35, 174.53 and 35.21

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Solution

The fourth proportional to 116.35, 174.53 and 35.21 is: 52.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.35 : 174.53 = 35.21 : x
  2. Step 2: Convert to fraction form
    116.35/174.53 = 35.21/x
  3. Step 3: Cross multiply
    116.35x = 174.53 × 35.21
  4. Step 4: Simplify right side
    116.35x = 6,145.73
  5. Step 5: Solve for x
    x = 6,145.73/116.35
  6. Step 6: Final answer
    x = 52.82

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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.