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Finding the Fourth Proportional to 75,448.50, 113,190.26 and 22,138.34

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Solution

The fourth proportional to 75,448.50, 113,190.26 and 22,138.34 is: 33,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,448.50 : 113,190.26 = 22,138.34 : x
  2. Step 2: Convert to fraction form
    75,448.50/113,190.26 = 22,138.34/x
  3. Step 3: Cross multiply
    75,448.50x = 113,190.26 × 22,138.34
  4. Step 4: Simplify right side
    75,448.50x = 2,505,843,783.93
  5. Step 5: Solve for x
    x = 2,505,843,783.93/75,448.50
  6. Step 6: Final answer
    x = 33,212.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.