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Finding the Fourth Proportional to 179,604.44, 269,389.17 and 72,994.79

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Solution

The fourth proportional to 179,604.44, 269,389.17 and 72,994.79 is: 109,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,604.44 : 269,389.17 = 72,994.79 : x
  2. Step 2: Convert to fraction form
    179,604.44/269,389.17 = 72,994.79/x
  3. Step 3: Cross multiply
    179,604.44x = 269,389.17 × 72,994.79
  4. Step 4: Simplify right side
    179,604.44x = 19,664,005,036.46
  5. Step 5: Solve for x
    x = 19,664,005,036.46/179,604.44
  6. Step 6: Final answer
    x = 109,485.07

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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.