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Finding the Fourth Proportional to 133,394.80, 200,092.20 and 127,489.90

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Solution

The fourth proportional to 133,394.80, 200,092.20 and 127,489.90 is: 191,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,394.80 : 200,092.20 = 127,489.90 : x
  2. Step 2: Convert to fraction form
    133,394.80/200,092.20 = 127,489.90/x
  3. Step 3: Cross multiply
    133,394.80x = 200,092.20 × 127,489.90
  4. Step 4: Simplify right side
    133,394.80x = 25,509,734,568.78
  5. Step 5: Solve for x
    x = 25,509,734,568.78/133,394.80
  6. Step 6: Final answer
    x = 191,234.85

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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.