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Finding the Fourth Proportional to 60,864.92, 91,285.01 and 50,974.21

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Solution

The fourth proportional to 60,864.92, 91,285.01 and 50,974.21 is: 76,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,864.92 : 91,285.01 = 50,974.21 : x
  2. Step 2: Convert to fraction form
    60,864.92/91,285.01 = 50,974.21/x
  3. Step 3: Cross multiply
    60,864.92x = 91,285.01 × 50,974.21
  4. Step 4: Simplify right side
    60,864.92x = 4,653,181,319.98
  5. Step 5: Solve for x
    x = 4,653,181,319.98/60,864.92
  6. Step 6: Final answer
    x = 76,450.96

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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.