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Finding the Fourth Proportional to 299,366.37, 448,785.45 and 122,021.73

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Solution

The fourth proportional to 299,366.37, 448,785.45 and 122,021.73 is: 182,924.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,366.37 : 448,785.45 = 122,021.73 : x
  2. Step 2: Convert to fraction form
    299,366.37/448,785.45 = 122,021.73/x
  3. Step 3: Cross multiply
    299,366.37x = 448,785.45 × 122,021.73
  4. Step 4: Simplify right side
    299,366.37x = 54,761,577,007.83
  5. Step 5: Solve for x
    x = 54,761,577,007.83/299,366.37
  6. Step 6: Final answer
    x = 182,924.95

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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.