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Finding the Fourth Proportional to 117,563.33, 176,571.90 and 100,734.37

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Solution

The fourth proportional to 117,563.33, 176,571.90 and 100,734.37 is: 151,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,563.33 : 176,571.90 = 100,734.37 : x
  2. Step 2: Convert to fraction form
    117,563.33/176,571.90 = 100,734.37/x
  3. Step 3: Cross multiply
    117,563.33x = 176,571.90 × 100,734.37
  4. Step 4: Simplify right side
    117,563.33x = 17,786,858,664.77
  5. Step 5: Solve for x
    x = 17,786,858,664.77/117,563.33
  6. Step 6: Final answer
    x = 151,295.97

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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.