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Finding the Fourth Proportional to 69,399.78, 95,771.70 and 37,568.94

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Solution

The fourth proportional to 69,399.78, 95,771.70 and 37,568.94 is: 51,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,399.78 : 95,771.70 = 37,568.94 : x
  2. Step 2: Convert to fraction form
    69,399.78/95,771.70 = 37,568.94/x
  3. Step 3: Cross multiply
    69,399.78x = 95,771.70 × 37,568.94
  4. Step 4: Simplify right side
    69,399.78x = 3,598,041,251.00
  5. Step 5: Solve for x
    x = 3,598,041,251.00/69,399.78
  6. Step 6: Final answer
    x = 51,845.14

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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.