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Finding the Fourth Proportional to 202,650.38, 303,981.74 and 69,528.77

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Solution

The fourth proportional to 202,650.38, 303,981.74 and 69,528.77 is: 104,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,650.38 : 303,981.74 = 69,528.77 : x
  2. Step 2: Convert to fraction form
    202,650.38/303,981.74 = 69,528.77/x
  3. Step 3: Cross multiply
    202,650.38x = 303,981.74 × 69,528.77
  4. Step 4: Simplify right side
    202,650.38x = 21,135,474,617.11
  5. Step 5: Solve for x
    x = 21,135,474,617.11/202,650.38
  6. Step 6: Final answer
    x = 104,295.27

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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.