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Finding the Fourth Proportional to 299,372.76, 449,287.54 and 110,012.56

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Solution

The fourth proportional to 299,372.76, 449,287.54 and 110,012.56 is: 165,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,372.76 : 449,287.54 = 110,012.56 : x
  2. Step 2: Convert to fraction form
    299,372.76/449,287.54 = 110,012.56/x
  3. Step 3: Cross multiply
    299,372.76x = 449,287.54 × 110,012.56
  4. Step 4: Simplify right side
    299,372.76x = 49,427,272,451.50
  5. Step 5: Solve for x
    x = 49,427,272,451.50/299,372.76
  6. Step 6: Final answer
    x = 165,102.77

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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.