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Finding the Fourth Proportional to 202.88, 304.14 and 134.26

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Solution

The fourth proportional to 202.88, 304.14 and 134.26 is: 201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.88 : 304.14 = 134.26 : x
  2. Step 2: Convert to fraction form
    202.88/304.14 = 134.26/x
  3. Step 3: Cross multiply
    202.88x = 304.14 × 134.26
  4. Step 4: Simplify right side
    202.88x = 40,831.64
  5. Step 5: Solve for x
    x = 40,831.64/202.88
  6. Step 6: Final answer
    x = 201.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.