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Finding the Fourth Proportional to 164,912.68, 247,039.26 and 76,044.52

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Solution

The fourth proportional to 164,912.68, 247,039.26 and 76,044.52 is: 113,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,912.68 : 247,039.26 = 76,044.52 : x
  2. Step 2: Convert to fraction form
    164,912.68/247,039.26 = 76,044.52/x
  3. Step 3: Cross multiply
    164,912.68x = 247,039.26 × 76,044.52
  4. Step 4: Simplify right side
    164,912.68x = 18,785,981,947.86
  5. Step 5: Solve for x
    x = 18,785,981,947.86/164,912.68
  6. Step 6: Final answer
    x = 113,914.72

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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.