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Finding the Fourth Proportional to 202,662.60, 303,119.10 and 171,169.80

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Solution

The fourth proportional to 202,662.60, 303,119.10 and 171,169.80 is: 256,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,662.60 : 303,119.10 = 171,169.80 : x
  2. Step 2: Convert to fraction form
    202,662.60/303,119.10 = 171,169.80/x
  3. Step 3: Cross multiply
    202,662.60x = 303,119.10 × 171,169.80
  4. Step 4: Simplify right side
    202,662.60x = 51,884,835,723.18
  5. Step 5: Solve for x
    x = 51,884,835,723.18/202,662.60
  6. Step 6: Final answer
    x = 256,015.84

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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.