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Finding the Fourth Proportional to 150,755.05, 225,866.49 and 91,470.34

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Solution

The fourth proportional to 150,755.05, 225,866.49 and 91,470.34 is: 137,044.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,755.05 : 225,866.49 = 91,470.34 : x
  2. Step 2: Convert to fraction form
    150,755.05/225,866.49 = 91,470.34/x
  3. Step 3: Cross multiply
    150,755.05x = 225,866.49 × 91,470.34
  4. Step 4: Simplify right side
    150,755.05x = 20,660,084,634.91
  5. Step 5: Solve for x
    x = 20,660,084,634.91/150,755.05
  6. Step 6: Final answer
    x = 137,044.06

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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.