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Finding the Fourth Proportional to 223,790.77, 335,606.20 and 74,003.41

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Solution

The fourth proportional to 223,790.77, 335,606.20 and 74,003.41 is: 110,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,790.77 : 335,606.20 = 74,003.41 : x
  2. Step 2: Convert to fraction form
    223,790.77/335,606.20 = 74,003.41/x
  3. Step 3: Cross multiply
    223,790.77x = 335,606.20 × 74,003.41
  4. Step 4: Simplify right side
    223,790.77x = 24,836,003,217.14
  5. Step 5: Solve for x
    x = 24,836,003,217.14/223,790.77
  6. Step 6: Final answer
    x = 110,978.68

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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.