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Finding the Fourth Proportional to 245,371.99, 368,057.97 and 67,874.39

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Solution

The fourth proportional to 245,371.99, 368,057.97 and 67,874.39 is: 101,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,371.99 : 368,057.97 = 67,874.39 : x
  2. Step 2: Convert to fraction form
    245,371.99/368,057.97 = 67,874.39/x
  3. Step 3: Cross multiply
    245,371.99x = 368,057.97 × 67,874.39
  4. Step 4: Simplify right side
    245,371.99x = 24,981,710,198.39
  5. Step 5: Solve for x
    x = 24,981,710,198.39/245,371.99
  6. Step 6: Final answer
    x = 101,811.58

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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.