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Finding the Fourth Proportional to 202,194.46, 279,029.27 and 111,550.39

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Solution

The fourth proportional to 202,194.46, 279,029.27 and 111,550.39 is: 153,940.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,194.46 : 279,029.27 = 111,550.39 : x
  2. Step 2: Convert to fraction form
    202,194.46/279,029.27 = 111,550.39/x
  3. Step 3: Cross multiply
    202,194.46x = 279,029.27 × 111,550.39
  4. Step 4: Simplify right side
    202,194.46x = 31,125,823,889.92
  5. Step 5: Solve for x
    x = 31,125,823,889.92/202,194.46
  6. Step 6: Final answer
    x = 153,940.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.