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Finding the Fourth Proportional to 75,960.72, 113,787.92 and 63,604.24

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Solution

The fourth proportional to 75,960.72, 113,787.92 and 63,604.24 is: 95,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,960.72 : 113,787.92 = 63,604.24 : x
  2. Step 2: Convert to fraction form
    75,960.72/113,787.92 = 63,604.24/x
  3. Step 3: Cross multiply
    75,960.72x = 113,787.92 × 63,604.24
  4. Step 4: Simplify right side
    75,960.72x = 7,237,394,172.78
  5. Step 5: Solve for x
    x = 7,237,394,172.78/75,960.72
  6. Step 6: Final answer
    x = 95,278.11

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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.