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Finding the Fourth Proportional to 89,787.44, 134,680.28 and 34,383.44

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Solution

The fourth proportional to 89,787.44, 134,680.28 and 34,383.44 is: 51,574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,787.44 : 134,680.28 = 34,383.44 : x
  2. Step 2: Convert to fraction form
    89,787.44/134,680.28 = 34,383.44/x
  3. Step 3: Cross multiply
    89,787.44x = 134,680.28 × 34,383.44
  4. Step 4: Simplify right side
    89,787.44x = 4,630,770,481.24
  5. Step 5: Solve for x
    x = 4,630,770,481.24/89,787.44
  6. Step 6: Final answer
    x = 51,574.82

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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.