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Finding the Fourth Proportional to 225,879.11, 338,816.83 and 57,399.92

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Solution

The fourth proportional to 225,879.11, 338,816.83 and 57,399.92 is: 86,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,879.11 : 338,816.83 = 57,399.92 : x
  2. Step 2: Convert to fraction form
    225,879.11/338,816.83 = 57,399.92/x
  3. Step 3: Cross multiply
    225,879.11x = 338,816.83 × 57,399.92
  4. Step 4: Simplify right side
    225,879.11x = 19,448,056,955.57
  5. Step 5: Solve for x
    x = 19,448,056,955.57/225,879.11
  6. Step 6: Final answer
    x = 86,099.41

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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.