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Finding the Fourth Proportional to 245,949.91, 368,924.86 and 68,461.54

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Solution

The fourth proportional to 245,949.91, 368,924.86 and 68,461.54 is: 102,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,949.91 : 368,924.86 = 68,461.54 : x
  2. Step 2: Convert to fraction form
    245,949.91/368,924.86 = 68,461.54/x
  3. Step 3: Cross multiply
    245,949.91x = 368,924.86 × 68,461.54
  4. Step 4: Simplify right side
    245,949.91x = 25,257,164,059.88
  5. Step 5: Solve for x
    x = 25,257,164,059.88/245,949.91
  6. Step 6: Final answer
    x = 102,692.31

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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.