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Finding the Fourth Proportional to 64,755.14, 89,183.37 and 55,799.37

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Solution

The fourth proportional to 64,755.14, 89,183.37 and 55,799.37 is: 76,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,755.14 : 89,183.37 = 55,799.37 : x
  2. Step 2: Convert to fraction form
    64,755.14/89,183.37 = 55,799.37/x
  3. Step 3: Cross multiply
    64,755.14x = 89,183.37 × 55,799.37
  4. Step 4: Simplify right side
    64,755.14x = 4,976,375,860.48
  5. Step 5: Solve for x
    x = 4,976,375,860.48/64,755.14
  6. Step 6: Final answer
    x = 76,849.13

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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.