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Finding the Fourth Proportional to 100,034.19, 150,093.41 and 43,845.30

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Solution

The fourth proportional to 100,034.19, 150,093.41 and 43,845.30 is: 65,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,034.19 : 150,093.41 = 43,845.30 : x
  2. Step 2: Convert to fraction form
    100,034.19/150,093.41 = 43,845.30/x
  3. Step 3: Cross multiply
    100,034.19x = 150,093.41 × 43,845.30
  4. Step 4: Simplify right side
    100,034.19x = 6,580,890,370.25
  5. Step 5: Solve for x
    x = 6,580,890,370.25/100,034.19
  6. Step 6: Final answer
    x = 65,786.41

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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.