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Finding the Fourth Proportional to 225,873.20, 338,809.80 and 166,824.20

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Solution

The fourth proportional to 225,873.20, 338,809.80 and 166,824.20 is: 250,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,873.20 : 338,809.80 = 166,824.20 : x
  2. Step 2: Convert to fraction form
    225,873.20/338,809.80 = 166,824.20/x
  3. Step 3: Cross multiply
    225,873.20x = 338,809.80 × 166,824.20
  4. Step 4: Simplify right side
    225,873.20x = 56,521,673,837.16
  5. Step 5: Solve for x
    x = 56,521,673,837.16/225,873.20
  6. Step 6: Final answer
    x = 250,236.30

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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.