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Finding the Fourth Proportional to 134.53, 201.50 and 131.26

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Solution

The fourth proportional to 134.53, 201.50 and 131.26 is: 196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.53 : 201.50 = 131.26 : x
  2. Step 2: Convert to fraction form
    134.53/201.50 = 131.26/x
  3. Step 3: Cross multiply
    134.53x = 201.50 × 131.26
  4. Step 4: Simplify right side
    134.53x = 26,448.64
  5. Step 5: Solve for x
    x = 26,448.64/134.53
  6. Step 6: Final answer
    x = 196.60

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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.