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Finding the Fourth Proportional to 95,469.76, 143,245.14 and 51,085

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Solution

The fourth proportional to 95,469.76, 143,245.14 and 51,085 is: 76,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,469.76 : 143,245.14 = 51,085 : x
  2. Step 2: Convert to fraction form
    95,469.76/143,245.14 = 51,085/x
  3. Step 3: Cross multiply
    95,469.76x = 143,245.14 × 51,085
  4. Step 4: Simplify right side
    95,469.76x = 7,317,677,976.90
  5. Step 5: Solve for x
    x = 7,317,677,976.90/95,469.76
  6. Step 6: Final answer
    x = 76,649.17

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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.