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Finding the Fourth Proportional to 202.44, 305.47 and 194.94

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Solution

The fourth proportional to 202.44, 305.47 and 194.94 is: 294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.44 : 305.47 = 194.94 : x
  2. Step 2: Convert to fraction form
    202.44/305.47 = 194.94/x
  3. Step 3: Cross multiply
    202.44x = 305.47 × 194.94
  4. Step 4: Simplify right side
    202.44x = 59,548.32
  5. Step 5: Solve for x
    x = 59,548.32/202.44
  6. Step 6: Final answer
    x = 294.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.