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Finding the Fourth Proportional to 208,399.44, 312,594.84 and 50,628.72

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Solution

The fourth proportional to 208,399.44, 312,594.84 and 50,628.72 is: 75,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,399.44 : 312,594.84 = 50,628.72 : x
  2. Step 2: Convert to fraction form
    208,399.44/312,594.84 = 50,628.72/x
  3. Step 3: Cross multiply
    208,399.44x = 312,594.84 × 50,628.72
  4. Step 4: Simplify right side
    208,399.44x = 15,826,276,627.80
  5. Step 5: Solve for x
    x = 15,826,276,627.80/208,399.44
  6. Step 6: Final answer
    x = 75,942.03

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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.