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Finding the Fourth Proportional to 135,047.80, 202,571.70 and 132,974.20

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Solution

The fourth proportional to 135,047.80, 202,571.70 and 132,974.20 is: 199,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,047.80 : 202,571.70 = 132,974.20 : x
  2. Step 2: Convert to fraction form
    135,047.80/202,571.70 = 132,974.20/x
  3. Step 3: Cross multiply
    135,047.80x = 202,571.70 × 132,974.20
  4. Step 4: Simplify right side
    135,047.80x = 26,936,809,750.14
  5. Step 5: Solve for x
    x = 26,936,809,750.14/135,047.80
  6. Step 6: Final answer
    x = 199,461.30

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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.