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Finding the Fourth Proportional to 95,792.63, 143,816.11 and 81,842.27

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Solution

The fourth proportional to 95,792.63, 143,816.11 and 81,842.27 is: 122,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,792.63 : 143,816.11 = 81,842.27 : x
  2. Step 2: Convert to fraction form
    95,792.63/143,816.11 = 81,842.27/x
  3. Step 3: Cross multiply
    95,792.63x = 143,816.11 × 81,842.27
  4. Step 4: Simplify right side
    95,792.63x = 11,770,235,981.28
  5. Step 5: Solve for x
    x = 11,770,235,981.28/95,792.63
  6. Step 6: Final answer
    x = 122,872.05

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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.