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Finding the Fourth Proportional to 178.99, 268.52 and 63.44

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Solution

The fourth proportional to 178.99, 268.52 and 63.44 is: 95.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.99 : 268.52 = 63.44 : x
  2. Step 2: Convert to fraction form
    178.99/268.52 = 63.44/x
  3. Step 3: Cross multiply
    178.99x = 268.52 × 63.44
  4. Step 4: Simplify right side
    178.99x = 17,033.25
  5. Step 5: Solve for x
    x = 17,033.25/178.99
  6. Step 6: Final answer
    x = 95.16

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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.