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Finding the Fourth Proportional to 250,571.74, 375,969.37 and 115,563.22

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Solution

The fourth proportional to 250,571.74, 375,969.37 and 115,563.22 is: 173,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,571.74 : 375,969.37 = 115,563.22 : x
  2. Step 2: Convert to fraction form
    250,571.74/375,969.37 = 115,563.22/x
  3. Step 3: Cross multiply
    250,571.74x = 375,969.37 × 115,563.22
  4. Step 4: Simplify right side
    250,571.74x = 43,448,230,372.62
  5. Step 5: Solve for x
    x = 43,448,230,372.62/250,571.74
  6. Step 6: Final answer
    x = 173,396.37

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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.