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Finding the Fourth Proportional to 179,361.27, 269,055.81 and 72,694.46

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Solution

The fourth proportional to 179,361.27, 269,055.81 and 72,694.46 is: 109,047.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,361.27 : 269,055.81 = 72,694.46 : x
  2. Step 2: Convert to fraction form
    179,361.27/269,055.81 = 72,694.46/x
  3. Step 3: Cross multiply
    179,361.27x = 269,055.81 × 72,694.46
  4. Step 4: Simplify right side
    179,361.27x = 19,558,867,490.45
  5. Step 5: Solve for x
    x = 19,558,867,490.45/179,361.27
  6. Step 6: Final answer
    x = 109,047.33

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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.