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Finding the Fourth Proportional to 134.82, 202.32 and 62.82

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Solution

The fourth proportional to 134.82, 202.32 and 62.82 is: 94.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.82 : 202.32 = 62.82 : x
  2. Step 2: Convert to fraction form
    134.82/202.32 = 62.82/x
  3. Step 3: Cross multiply
    134.82x = 202.32 × 62.82
  4. Step 4: Simplify right side
    134.82x = 12,709.74
  5. Step 5: Solve for x
    x = 12,709.74/134.82
  6. Step 6: Final answer
    x = 94.27

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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.