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Finding the Fourth Proportional to 183,896.80, 276,104.40 and 113,912.80

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Solution

The fourth proportional to 183,896.80, 276,104.40 and 113,912.80 is: 171,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,896.80 : 276,104.40 = 113,912.80 : x
  2. Step 2: Convert to fraction form
    183,896.80/276,104.40 = 113,912.80/x
  3. Step 3: Cross multiply
    183,896.80x = 276,104.40 × 113,912.80
  4. Step 4: Simplify right side
    183,896.80x = 31,451,825,296.32
  5. Step 5: Solve for x
    x = 31,451,825,296.32/183,896.80
  6. Step 6: Final answer
    x = 171,029.76

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1.5x scale

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.