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Finding the Fourth Proportional to 115,408.56, 173,135.29 and 44,326

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Solution

The fourth proportional to 115,408.56, 173,135.29 and 44,326 is: 66,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,408.56 : 173,135.29 = 44,326 : x
  2. Step 2: Convert to fraction form
    115,408.56/173,135.29 = 44,326/x
  3. Step 3: Cross multiply
    115,408.56x = 173,135.29 × 44,326
  4. Step 4: Simplify right side
    115,408.56x = 7,674,394,864.54
  5. Step 5: Solve for x
    x = 7,674,394,864.54/115,408.56
  6. Step 6: Final answer
    x = 66,497.62

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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.