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Finding the Fourth Proportional to 137,625.45, 206,438.49 and 37,787.01

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Solution

The fourth proportional to 137,625.45, 206,438.49 and 37,787.01 is: 56,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,625.45 : 206,438.49 = 37,787.01 : x
  2. Step 2: Convert to fraction form
    137,625.45/206,438.49 = 37,787.01/x
  3. Step 3: Cross multiply
    137,625.45x = 206,438.49 × 37,787.01
  4. Step 4: Simplify right side
    137,625.45x = 7,800,693,286.01
  5. Step 5: Solve for x
    x = 7,800,693,286.01/137,625.45
  6. Step 6: Final answer
    x = 56,680.60

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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.