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Finding the Fourth Proportional to 133,469.26, 184,187.58 and 73,039.90

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Solution

The fourth proportional to 133,469.26, 184,187.58 and 73,039.90 is: 100,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,469.26 : 184,187.58 = 73,039.90 : x
  2. Step 2: Convert to fraction form
    133,469.26/184,187.58 = 73,039.90/x
  3. Step 3: Cross multiply
    133,469.26x = 184,187.58 × 73,039.90
  4. Step 4: Simplify right side
    133,469.26x = 13,453,042,424.44
  5. Step 5: Solve for x
    x = 13,453,042,424.44/133,469.26
  6. Step 6: Final answer
    x = 100,795.06

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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.