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Finding the Fourth Proportional to 122,788.89, 184,183.34 and 43,898.36

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Solution

The fourth proportional to 122,788.89, 184,183.34 and 43,898.36 is: 65,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,788.89 : 184,183.34 = 43,898.36 : x
  2. Step 2: Convert to fraction form
    122,788.89/184,183.34 = 43,898.36/x
  3. Step 3: Cross multiply
    122,788.89x = 184,183.34 × 43,898.36
  4. Step 4: Simplify right side
    122,788.89x = 8,085,345,424.91
  5. Step 5: Solve for x
    x = 8,085,345,424.91/122,788.89
  6. Step 6: Final answer
    x = 65,847.53

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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.