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Finding the Fourth Proportional to 95,872.87, 143,809.31 and 29,313.00

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Solution

The fourth proportional to 95,872.87, 143,809.31 and 29,313.00 is: 43,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,872.87 : 143,809.31 = 29,313.00 : x
  2. Step 2: Convert to fraction form
    95,872.87/143,809.31 = 29,313.00/x
  3. Step 3: Cross multiply
    95,872.87x = 143,809.31 × 29,313.00
  4. Step 4: Simplify right side
    95,872.87x = 4,215,481,977.70
  5. Step 5: Solve for x
    x = 4,215,481,977.70/95,872.87
  6. Step 6: Final answer
    x = 43,969.50

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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.