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Finding the Fourth Proportional to 218,453.88, 327,699 and 58,552.56

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Solution

The fourth proportional to 218,453.88, 327,699 and 58,552.56 is: 87,833.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,453.88 : 327,699 = 58,552.56 : x
  2. Step 2: Convert to fraction form
    218,453.88/327,699 = 58,552.56/x
  3. Step 3: Cross multiply
    218,453.88x = 327,699 × 58,552.56
  4. Step 4: Simplify right side
    218,453.88x = 19,187,615,359.44
  5. Step 5: Solve for x
    x = 19,187,615,359.44/218,453.88
  6. Step 6: Final answer
    x = 87,833.71

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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.