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Finding the Fourth Proportional to 299,895.66, 449,866.67 and 100,216.73

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Solution

The fourth proportional to 299,895.66, 449,866.67 and 100,216.73 is: 150,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,895.66 : 449,866.67 = 100,216.73 : x
  2. Step 2: Convert to fraction form
    299,895.66/449,866.67 = 100,216.73/x
  3. Step 3: Cross multiply
    299,895.66x = 449,866.67 × 100,216.73
  4. Step 4: Simplify right side
    299,895.66x = 45,084,167,226.97
  5. Step 5: Solve for x
    x = 45,084,167,226.97/299,895.66
  6. Step 6: Final answer
    x = 150,332.84

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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.