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Finding the Fourth Proportional to 221,644.44, 332,513.37 and 71,873.06

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Solution

The fourth proportional to 221,644.44, 332,513.37 and 71,873.06 is: 107,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,644.44 : 332,513.37 = 71,873.06 : x
  2. Step 2: Convert to fraction form
    221,644.44/332,513.37 = 71,873.06/x
  3. Step 3: Cross multiply
    221,644.44x = 332,513.37 × 71,873.06
  4. Step 4: Simplify right side
    221,644.44x = 23,898,753,392.81
  5. Step 5: Solve for x
    x = 23,898,753,392.81/221,644.44
  6. Step 6: Final answer
    x = 107,824.74

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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.