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Finding the Fourth Proportional to 115,605.38, 173,408.07 and 32,499.38

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Solution

The fourth proportional to 115,605.38, 173,408.07 and 32,499.38 is: 48,749.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,605.38 : 173,408.07 = 32,499.38 : x
  2. Step 2: Convert to fraction form
    115,605.38/173,408.07 = 32,499.38/x
  3. Step 3: Cross multiply
    115,605.38x = 173,408.07 × 32,499.38
  4. Step 4: Simplify right side
    115,605.38x = 5,635,653,894.96
  5. Step 5: Solve for x
    x = 5,635,653,894.96/115,605.38
  6. Step 6: Final answer
    x = 48,749.06

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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.