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Finding the Fourth Proportional to 238,024.40, 356,787.48 and 80,198.32

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Solution

The fourth proportional to 238,024.40, 356,787.48 and 80,198.32 is: 120,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,024.40 : 356,787.48 = 80,198.32 : x
  2. Step 2: Convert to fraction form
    238,024.40/356,787.48 = 80,198.32/x
  3. Step 3: Cross multiply
    238,024.40x = 356,787.48 × 80,198.32
  4. Step 4: Simplify right side
    238,024.40x = 28,613,756,493.03
  5. Step 5: Solve for x
    x = 28,613,756,493.03/238,024.40
  6. Step 6: Final answer
    x = 120,213.54

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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.