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Finding the Fourth Proportional to 113,331.43, 169,978.60 and 33,350.68

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Solution

The fourth proportional to 113,331.43, 169,978.60 and 33,350.68 is: 50,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,331.43 : 169,978.60 = 33,350.68 : x
  2. Step 2: Convert to fraction form
    113,331.43/169,978.60 = 33,350.68/x
  3. Step 3: Cross multiply
    113,331.43x = 169,978.60 × 33,350.68
  4. Step 4: Simplify right side
    113,331.43x = 5,668,901,895.45
  5. Step 5: Solve for x
    x = 5,668,901,895.45/113,331.43
  6. Step 6: Final answer
    x = 50,020.56

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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.