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Finding the Fourth Proportional to 275,571.67, 413,359.73 and 75,903.07

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Solution

The fourth proportional to 275,571.67, 413,359.73 and 75,903.07 is: 113,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,571.67 : 413,359.73 = 75,903.07 : x
  2. Step 2: Convert to fraction form
    275,571.67/413,359.73 = 75,903.07/x
  3. Step 3: Cross multiply
    275,571.67x = 413,359.73 × 75,903.07
  4. Step 4: Simplify right side
    275,571.67x = 31,375,272,521.37
  5. Step 5: Solve for x
    x = 31,375,272,521.37/275,571.67
  6. Step 6: Final answer
    x = 113,855.22

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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.