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Finding the Fourth Proportional to 231,568.49, 347,378.27 and 73,760.64

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Solution

The fourth proportional to 231,568.49, 347,378.27 and 73,760.64 is: 110,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,568.49 : 347,378.27 = 73,760.64 : x
  2. Step 2: Convert to fraction form
    231,568.49/347,378.27 = 73,760.64/x
  3. Step 3: Cross multiply
    231,568.49x = 347,378.27 × 73,760.64
  4. Step 4: Simplify right side
    231,568.49x = 25,622,843,148.49
  5. Step 5: Solve for x
    x = 25,622,843,148.49/231,568.49
  6. Step 6: Final answer
    x = 110,649.09

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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.