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Finding the Fourth Proportional to 294,561.72, 441,716.78 and 112,072.97

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Solution

The fourth proportional to 294,561.72, 441,716.78 and 112,072.97 is: 168,061.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,561.72 : 441,716.78 = 112,072.97 : x
  2. Step 2: Convert to fraction form
    294,561.72/441,716.78 = 112,072.97/x
  3. Step 3: Cross multiply
    294,561.72x = 441,716.78 × 112,072.97
  4. Step 4: Simplify right side
    294,561.72x = 49,504,508,664.49
  5. Step 5: Solve for x
    x = 49,504,508,664.49/294,561.72
  6. Step 6: Final answer
    x = 168,061.58

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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.