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Finding the Fourth Proportional to 335.11, 502.46 and 103.93

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Solution

The fourth proportional to 335.11, 502.46 and 103.93 is: 155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.11 : 502.46 = 103.93 : x
  2. Step 2: Convert to fraction form
    335.11/502.46 = 103.93/x
  3. Step 3: Cross multiply
    335.11x = 502.46 × 103.93
  4. Step 4: Simplify right side
    335.11x = 52,220.67
  5. Step 5: Solve for x
    x = 52,220.67/335.11
  6. Step 6: Final answer
    x = 155.83

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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.