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Finding the Fourth Proportional to 134.13, 200.96 and 93.47

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Solution

The fourth proportional to 134.13, 200.96 and 93.47 is: 140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.13 : 200.96 = 93.47 : x
  2. Step 2: Convert to fraction form
    134.13/200.96 = 93.47/x
  3. Step 3: Cross multiply
    134.13x = 200.96 × 93.47
  4. Step 4: Simplify right side
    134.13x = 18,783.26
  5. Step 5: Solve for x
    x = 18,783.26/134.13
  6. Step 6: Final answer
    x = 140.04

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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.