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Finding the Fourth Proportional to 245,863.20, 368,794.80 and 162,757.20

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Solution

The fourth proportional to 245,863.20, 368,794.80 and 162,757.20 is: 244,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,863.20 : 368,794.80 = 162,757.20 : x
  2. Step 2: Convert to fraction form
    245,863.20/368,794.80 = 162,757.20/x
  3. Step 3: Cross multiply
    245,863.20x = 368,794.80 × 162,757.20
  4. Step 4: Simplify right side
    245,863.20x = 60,024,009,022.56
  5. Step 5: Solve for x
    x = 60,024,009,022.56/245,863.20
  6. Step 6: Final answer
    x = 244,135.80

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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.