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Finding the Fourth Proportional to 202,222.80, 303,334.20 and 135,867.60

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Solution

The fourth proportional to 202,222.80, 303,334.20 and 135,867.60 is: 203,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,222.80 : 303,334.20 = 135,867.60 : x
  2. Step 2: Convert to fraction form
    202,222.80/303,334.20 = 135,867.60/x
  3. Step 3: Cross multiply
    202,222.80x = 303,334.20 × 135,867.60
  4. Step 4: Simplify right side
    202,222.80x = 41,213,289,751.92
  5. Step 5: Solve for x
    x = 41,213,289,751.92/202,222.80
  6. Step 6: Final answer
    x = 203,801.40

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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.