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Finding the Fourth Proportional to 273,408.89, 410,112.18 and 73,749.47

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Solution

The fourth proportional to 273,408.89, 410,112.18 and 73,749.47 is: 110,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,408.89 : 410,112.18 = 73,749.47 : x
  2. Step 2: Convert to fraction form
    273,408.89/410,112.18 = 73,749.47/x
  3. Step 3: Cross multiply
    273,408.89x = 410,112.18 × 73,749.47
  4. Step 4: Simplify right side
    273,408.89x = 30,245,553,864.98
  5. Step 5: Solve for x
    x = 30,245,553,864.98/273,408.89
  6. Step 6: Final answer
    x = 110,623.89

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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.