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Finding the Fourth Proportional to 95,636.44, 143,401.99 and 39,463.78

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Solution

The fourth proportional to 95,636.44, 143,401.99 and 39,463.78 is: 59,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,636.44 : 143,401.99 = 39,463.78 : x
  2. Step 2: Convert to fraction form
    95,636.44/143,401.99 = 39,463.78/x
  3. Step 3: Cross multiply
    95,636.44x = 143,401.99 × 39,463.78
  4. Step 4: Simplify right side
    95,636.44x = 5,659,184,584.92
  5. Step 5: Solve for x
    x = 5,659,184,584.92/95,636.44
  6. Step 6: Final answer
    x = 59,173.94

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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.