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Finding the Fourth Proportional to 248,366.25, 372,604.92 and 90,594.69

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Solution

The fourth proportional to 248,366.25, 372,604.92 and 90,594.69 is: 135,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,366.25 : 372,604.92 = 90,594.69 : x
  2. Step 2: Convert to fraction form
    248,366.25/372,604.92 = 90,594.69/x
  3. Step 3: Cross multiply
    248,366.25x = 372,604.92 × 90,594.69
  4. Step 4: Simplify right side
    248,366.25x = 33,756,027,219.87
  5. Step 5: Solve for x
    x = 33,756,027,219.87/248,366.25
  6. Step 6: Final answer
    x = 135,912.30

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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.