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Finding the Fourth Proportional to 207.52, 310.88 and 116.24

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Solution

The fourth proportional to 207.52, 310.88 and 116.24 is: 174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207.52 : 310.88 = 116.24 : x
  2. Step 2: Convert to fraction form
    207.52/310.88 = 116.24/x
  3. Step 3: Cross multiply
    207.52x = 310.88 × 116.24
  4. Step 4: Simplify right side
    207.52x = 36,136.69
  5. Step 5: Solve for x
    x = 36,136.69/207.52
  6. Step 6: Final answer
    x = 174.14

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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.