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Finding the Fourth Proportional to 95,487.66, 131,713.29 and 68,213.34

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Solution

The fourth proportional to 95,487.66, 131,713.29 and 68,213.34 is: 94,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,487.66 : 131,713.29 = 68,213.34 : x
  2. Step 2: Convert to fraction form
    95,487.66/131,713.29 = 68,213.34/x
  3. Step 3: Cross multiply
    95,487.66x = 131,713.29 × 68,213.34
  4. Step 4: Simplify right side
    95,487.66x = 8,984,603,433.29
  5. Step 5: Solve for x
    x = 8,984,603,433.29/95,487.66
  6. Step 6: Final answer
    x = 94,091.78

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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.