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Finding the Fourth Proportional to 104,043.92, 143,580.44 and 58,731.44

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Solution

The fourth proportional to 104,043.92, 143,580.44 and 58,731.44 is: 81,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,043.92 : 143,580.44 = 58,731.44 : x
  2. Step 2: Convert to fraction form
    104,043.92/143,580.44 = 58,731.44/x
  3. Step 3: Cross multiply
    104,043.92x = 143,580.44 × 58,731.44
  4. Step 4: Simplify right side
    104,043.92x = 8,432,685,997.03
  5. Step 5: Solve for x
    x = 8,432,685,997.03/104,043.92
  6. Step 6: Final answer
    x = 81,049.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.