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Finding the Fourth Proportional to 59,912.46, 89,923.89 and 30,350.88

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Solution

The fourth proportional to 59,912.46, 89,923.89 and 30,350.88 is: 45,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,912.46 : 89,923.89 = 30,350.88 : x
  2. Step 2: Convert to fraction form
    59,912.46/89,923.89 = 30,350.88/x
  3. Step 3: Cross multiply
    59,912.46x = 89,923.89 × 30,350.88
  4. Step 4: Simplify right side
    59,912.46x = 2,729,269,194.52
  5. Step 5: Solve for x
    x = 2,729,269,194.52/59,912.46
  6. Step 6: Final answer
    x = 45,554.28

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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.