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Finding the Fourth Proportional to 116.40, 174.56 and 35.24

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Solution

The fourth proportional to 116.40, 174.56 and 35.24 is: 52.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.40 : 174.56 = 35.24 : x
  2. Step 2: Convert to fraction form
    116.40/174.56 = 35.24/x
  3. Step 3: Cross multiply
    116.40x = 174.56 × 35.24
  4. Step 4: Simplify right side
    116.40x = 6,151.49
  5. Step 5: Solve for x
    x = 6,151.49/116.40
  6. Step 6: Final answer
    x = 52.85

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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.