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Finding the Fourth Proportional to 225,533.28, 338,300.72 and 75,769.28

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Solution

The fourth proportional to 225,533.28, 338,300.72 and 75,769.28 is: 113,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,533.28 : 338,300.72 = 75,769.28 : x
  2. Step 2: Convert to fraction form
    225,533.28/338,300.72 = 75,769.28/x
  3. Step 3: Cross multiply
    225,533.28x = 338,300.72 × 75,769.28
  4. Step 4: Simplify right side
    225,533.28x = 25,632,801,977.88
  5. Step 5: Solve for x
    x = 25,632,801,977.88/225,533.28
  6. Step 6: Final answer
    x = 113,654.19

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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.