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Finding the Fourth Proportional to 225,724.52, 338,600.57 and 75,952.23

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Solution

The fourth proportional to 225,724.52, 338,600.57 and 75,952.23 is: 113,932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,724.52 : 338,600.57 = 75,952.23 : x
  2. Step 2: Convert to fraction form
    225,724.52/338,600.57 = 75,952.23/x
  3. Step 3: Cross multiply
    225,724.52x = 338,600.57 × 75,952.23
  4. Step 4: Simplify right side
    225,724.52x = 25,717,467,991.01
  5. Step 5: Solve for x
    x = 25,717,467,991.01/225,724.52
  6. Step 6: Final answer
    x = 113,932.99

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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.