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Finding the Fourth Proportional to 225,644.48, 338,489.20 and 83,527.76

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Solution

The fourth proportional to 225,644.48, 338,489.20 and 83,527.76 is: 125,299.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,644.48 : 338,489.20 = 83,527.76 : x
  2. Step 2: Convert to fraction form
    225,644.48/338,489.20 = 83,527.76/x
  3. Step 3: Cross multiply
    225,644.48x = 338,489.20 × 83,527.76
  4. Step 4: Simplify right side
    225,644.48x = 28,273,244,660.19
  5. Step 5: Solve for x
    x = 28,273,244,660.19/225,644.48
  6. Step 6: Final answer
    x = 125,299.96

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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.