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Finding the Fourth Proportional to 335.16, 502.82 and 104.06

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Solution

The fourth proportional to 335.16, 502.82 and 104.06 is: 156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.16 : 502.82 = 104.06 : x
  2. Step 2: Convert to fraction form
    335.16/502.82 = 104.06/x
  3. Step 3: Cross multiply
    335.16x = 502.82 × 104.06
  4. Step 4: Simplify right side
    335.16x = 52,321.20
  5. Step 5: Solve for x
    x = 52,321.20/335.16
  6. Step 6: Final answer
    x = 156.11

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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.