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Finding the Fourth Proportional to 335.11, 502.22 and 118.48

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Solution

The fourth proportional to 335.11, 502.22 and 118.48 is: 177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.11 : 502.22 = 118.48 : x
  2. Step 2: Convert to fraction form
    335.11/502.22 = 118.48/x
  3. Step 3: Cross multiply
    335.11x = 502.22 × 118.48
  4. Step 4: Simplify right side
    335.11x = 59,502.43
  5. Step 5: Solve for x
    x = 59,502.43/335.11
  6. Step 6: Final answer
    x = 177.56

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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.