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Finding the Fourth Proportional to 95,571.69, 131,905.22 and 55,309.96

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Solution

The fourth proportional to 95,571.69, 131,905.22 and 55,309.96 is: 76,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,571.69 : 131,905.22 = 55,309.96 : x
  2. Step 2: Convert to fraction form
    95,571.69/131,905.22 = 55,309.96/x
  3. Step 3: Cross multiply
    95,571.69x = 131,905.22 × 55,309.96
  4. Step 4: Simplify right side
    95,571.69x = 7,295,672,441.99
  5. Step 5: Solve for x
    x = 7,295,672,441.99/95,571.69
  6. Step 6: Final answer
    x = 76,337.17

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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.