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Finding the Fourth Proportional to 208,400.97, 312,602.22 and 50,629.43

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Solution

The fourth proportional to 208,400.97, 312,602.22 and 50,629.43 is: 75,944.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,400.97 : 312,602.22 = 50,629.43 : x
  2. Step 2: Convert to fraction form
    208,400.97/312,602.22 = 50,629.43/x
  3. Step 3: Cross multiply
    208,400.97x = 312,602.22 × 50,629.43
  4. Step 4: Simplify right side
    208,400.97x = 15,826,870,652.32
  5. Step 5: Solve for x
    x = 15,826,870,652.32/208,400.97
  6. Step 6: Final answer
    x = 75,944.32

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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.