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Finding the Fourth Proportional to 133,734.60, 200,601.90 and 129,846.60

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Solution

The fourth proportional to 133,734.60, 200,601.90 and 129,846.60 is: 194,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,734.60 : 200,601.90 = 129,846.60 : x
  2. Step 2: Convert to fraction form
    133,734.60/200,601.90 = 129,846.60/x
  3. Step 3: Cross multiply
    133,734.60x = 200,601.90 × 129,846.60
  4. Step 4: Simplify right side
    133,734.60x = 26,047,474,668.54
  5. Step 5: Solve for x
    x = 26,047,474,668.54/133,734.60
  6. Step 6: Final answer
    x = 194,769.90

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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.