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Finding the Fourth Proportional to 239,589, 330,634.38 and 132,161.94

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Solution

The fourth proportional to 239,589, 330,634.38 and 132,161.94 is: 182,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,589 : 330,634.38 = 132,161.94 : x
  2. Step 2: Convert to fraction form
    239,589/330,634.38 = 132,161.94/x
  3. Step 3: Cross multiply
    239,589x = 330,634.38 × 132,161.94
  4. Step 4: Simplify right side
    239,589x = 43,697,281,091.50
  5. Step 5: Solve for x
    x = 43,697,281,091.50/239,589
  6. Step 6: Final answer
    x = 182,384.34

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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.