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Finding the Fourth Proportional to 115,924.48, 173,896.80 and 32,819.20

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Solution

The fourth proportional to 115,924.48, 173,896.80 and 32,819.20 is: 49,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,924.48 : 173,896.80 = 32,819.20 : x
  2. Step 2: Convert to fraction form
    115,924.48/173,896.80 = 32,819.20/x
  3. Step 3: Cross multiply
    115,924.48x = 173,896.80 × 32,819.20
  4. Step 4: Simplify right side
    115,924.48x = 5,707,153,858.56
  5. Step 5: Solve for x
    x = 5,707,153,858.56/115,924.48
  6. Step 6: Final answer
    x = 49,231.65

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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.