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Finding the Fourth Proportional to 198,274, 273,620.04 and 108,851.92

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Solution

The fourth proportional to 198,274, 273,620.04 and 108,851.92 is: 150,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,274 : 273,620.04 = 108,851.92 : x
  2. Step 2: Convert to fraction form
    198,274/273,620.04 = 108,851.92/x
  3. Step 3: Cross multiply
    198,274x = 273,620.04 × 108,851.92
  4. Step 4: Simplify right side
    198,274x = 29,784,066,704.48
  5. Step 5: Solve for x
    x = 29,784,066,704.48/198,274
  6. Step 6: Final answer
    x = 150,216.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.