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Finding the Fourth Proportional to 202,126.80, 303,190.20 and 148,982.70

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Solution

The fourth proportional to 202,126.80, 303,190.20 and 148,982.70 is: 223,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,126.80 : 303,190.20 = 148,982.70 : x
  2. Step 2: Convert to fraction form
    202,126.80/303,190.20 = 148,982.70/x
  3. Step 3: Cross multiply
    202,126.80x = 303,190.20 × 148,982.70
  4. Step 4: Simplify right side
    202,126.80x = 45,170,094,609.54
  5. Step 5: Solve for x
    x = 45,170,094,609.54/202,126.80
  6. Step 6: Final answer
    x = 223,474.05

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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.