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Finding the Fourth Proportional to 95,796.62, 143,822.12 and 81,846.26

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Solution

The fourth proportional to 95,796.62, 143,822.12 and 81,846.26 is: 122,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,796.62 : 143,822.12 = 81,846.26 : x
  2. Step 2: Convert to fraction form
    95,796.62/143,822.12 = 81,846.26/x
  3. Step 3: Cross multiply
    95,796.62x = 143,822.12 × 81,846.26
  4. Step 4: Simplify right side
    95,796.62x = 11,771,302,627.27
  5. Step 5: Solve for x
    x = 11,771,302,627.27/95,796.62
  6. Step 6: Final answer
    x = 122,878.06

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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.