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Finding the Fourth Proportional to 68,969.44, 95,188.92 and 64,467

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Solution

The fourth proportional to 68,969.44, 95,188.92 and 64,467 is: 88,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,969.44 : 95,188.92 = 64,467 : x
  2. Step 2: Convert to fraction form
    68,969.44/95,188.92 = 64,467/x
  3. Step 3: Cross multiply
    68,969.44x = 95,188.92 × 64,467
  4. Step 4: Simplify right side
    68,969.44x = 6,136,544,105.64
  5. Step 5: Solve for x
    x = 6,136,544,105.64/68,969.44
  6. Step 6: Final answer
    x = 88,974.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.