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Finding the Fourth Proportional to 335.67, 503.44 and 92.16

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Solution

The fourth proportional to 335.67, 503.44 and 92.16 is: 138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.67 : 503.44 = 92.16 : x
  2. Step 2: Convert to fraction form
    335.67/503.44 = 92.16/x
  3. Step 3: Cross multiply
    335.67x = 503.44 × 92.16
  4. Step 4: Simplify right side
    335.67x = 46,398.69
  5. Step 5: Solve for x
    x = 46,398.69/335.67
  6. Step 6: Final answer
    x = 138.23

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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.