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Finding the Fourth Proportional to 179,803.76, 269,622.20 and 104,945.54

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Solution

The fourth proportional to 179,803.76, 269,622.20 and 104,945.54 is: 157,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,803.76 : 269,622.20 = 104,945.54 : x
  2. Step 2: Convert to fraction form
    179,803.76/269,622.20 = 104,945.54/x
  3. Step 3: Cross multiply
    179,803.76x = 269,622.20 × 104,945.54
  4. Step 4: Simplify right side
    179,803.76x = 28,295,647,374.99
  5. Step 5: Solve for x
    x = 28,295,647,374.99/179,803.76
  6. Step 6: Final answer
    x = 157,369.61

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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.