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Finding the Fourth Proportional to 202,309.70, 303,464.55 and 123,577.70

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Solution

The fourth proportional to 202,309.70, 303,464.55 and 123,577.70 is: 185,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,309.70 : 303,464.55 = 123,577.70 : x
  2. Step 2: Convert to fraction form
    202,309.70/303,464.55 = 123,577.70/x
  3. Step 3: Cross multiply
    202,309.70x = 303,464.55 × 123,577.70
  4. Step 4: Simplify right side
    202,309.70x = 37,501,451,120.54
  5. Step 5: Solve for x
    x = 37,501,451,120.54/202,309.70
  6. Step 6: Final answer
    x = 185,366.55

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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.