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Finding the Fourth Proportional to 202.93, 304 and 134.25

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Solution

The fourth proportional to 202.93, 304 and 134.25 is: 201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.93 : 304 = 134.25 : x
  2. Step 2: Convert to fraction form
    202.93/304 = 134.25/x
  3. Step 3: Cross multiply
    202.93x = 304 × 134.25
  4. Step 4: Simplify right side
    202.93x = 40,812
  5. Step 5: Solve for x
    x = 40,812/202.93
  6. Step 6: Final answer
    x = 201.11

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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.