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Finding the Fourth Proportional to 299,814.99, 449,673.22 and 107,649.64

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Solution

The fourth proportional to 299,814.99, 449,673.22 and 107,649.64 is: 161,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,814.99 : 449,673.22 = 107,649.64 : x
  2. Step 2: Convert to fraction form
    299,814.99/449,673.22 = 107,649.64/x
  3. Step 3: Cross multiply
    299,814.99x = 449,673.22 × 107,649.64
  4. Step 4: Simplify right side
    299,814.99x = 48,407,160,250.64
  5. Step 5: Solve for x
    x = 48,407,160,250.64/299,814.99
  6. Step 6: Final answer
    x = 161,456.77

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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.