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Finding the Fourth Proportional to 134.24, 200.50 and 118.96

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Solution

The fourth proportional to 134.24, 200.50 and 118.96 is: 177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.24 : 200.50 = 118.96 : x
  2. Step 2: Convert to fraction form
    134.24/200.50 = 118.96/x
  3. Step 3: Cross multiply
    134.24x = 200.50 × 118.96
  4. Step 4: Simplify right side
    134.24x = 23,851.48
  5. Step 5: Solve for x
    x = 23,851.48/134.24
  6. Step 6: Final answer
    x = 177.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.