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Finding the Fourth Proportional to 202,060.80, 303,091.20 and 123,328.80

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Solution

The fourth proportional to 202,060.80, 303,091.20 and 123,328.80 is: 184,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,060.80 : 303,091.20 = 123,328.80 : x
  2. Step 2: Convert to fraction form
    202,060.80/303,091.20 = 123,328.80/x
  3. Step 3: Cross multiply
    202,060.80x = 303,091.20 × 123,328.80
  4. Step 4: Simplify right side
    202,060.80x = 37,379,873,986.56
  5. Step 5: Solve for x
    x = 37,379,873,986.56/202,060.80
  6. Step 6: Final answer
    x = 184,993.20

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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.