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Finding the Fourth Proportional to 60,179.76, 82,997.73 and 45,107.82

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Solution

The fourth proportional to 60,179.76, 82,997.73 and 45,107.82 is: 62,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,179.76 : 82,997.73 = 45,107.82 : x
  2. Step 2: Convert to fraction form
    60,179.76/82,997.73 = 45,107.82/x
  3. Step 3: Cross multiply
    60,179.76x = 82,997.73 × 45,107.82
  4. Step 4: Simplify right side
    60,179.76x = 3,743,846,665.25
  5. Step 5: Solve for x
    x = 3,743,846,665.25/60,179.76
  6. Step 6: Final answer
    x = 62,211.06

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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.