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Finding the Fourth Proportional to 60,846.68, 91,234.46 and 40,879.37

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Solution

The fourth proportional to 60,846.68, 91,234.46 and 40,879.37 is: 61,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,846.68 : 91,234.46 = 40,879.37 : x
  2. Step 2: Convert to fraction form
    60,846.68/91,234.46 = 40,879.37/x
  3. Step 3: Cross multiply
    60,846.68x = 91,234.46 × 40,879.37
  4. Step 4: Simplify right side
    60,846.68x = 3,729,607,577.37
  5. Step 5: Solve for x
    x = 3,729,607,577.37/60,846.68
  6. Step 6: Final answer
    x = 61,295.17

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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.