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Finding the Fourth Proportional to 202,601.48, 303,639.17 and 82,518.37

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Solution

The fourth proportional to 202,601.48, 303,639.17 and 82,518.37 is: 123,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,601.48 : 303,639.17 = 82,518.37 : x
  2. Step 2: Convert to fraction form
    202,601.48/303,639.17 = 82,518.37/x
  3. Step 3: Cross multiply
    202,601.48x = 303,639.17 × 82,518.37
  4. Step 4: Simplify right side
    202,601.48x = 25,055,808,204.86
  5. Step 5: Solve for x
    x = 25,055,808,204.86/202,601.48
  6. Step 6: Final answer
    x = 123,670.41

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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.