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Finding the Fourth Proportional to 225,775.57, 338,620.21 and 113,424.60

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Solution

The fourth proportional to 225,775.57, 338,620.21 and 113,424.60 is: 170,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,775.57 : 338,620.21 = 113,424.60 : x
  2. Step 2: Convert to fraction form
    225,775.57/338,620.21 = 113,424.60/x
  3. Step 3: Cross multiply
    225,775.57x = 338,620.21 × 113,424.60
  4. Step 4: Simplify right side
    225,775.57x = 38,407,861,871.17
  5. Step 5: Solve for x
    x = 38,407,861,871.17/225,775.57
  6. Step 6: Final answer
    x = 170,115.22

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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.