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Finding the Fourth Proportional to 179,401.84, 269,115.84 and 72,734.56

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Solution

The fourth proportional to 179,401.84, 269,115.84 and 72,734.56 is: 109,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,401.84 : 269,115.84 = 72,734.56 : x
  2. Step 2: Convert to fraction form
    179,401.84/269,115.84 = 72,734.56/x
  3. Step 3: Cross multiply
    179,401.84x = 269,115.84 × 72,734.56
  4. Step 4: Simplify right side
    179,401.84x = 19,574,022,211.43
  5. Step 5: Solve for x
    x = 19,574,022,211.43/179,401.84
  6. Step 6: Final answer
    x = 109,107.14

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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.