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Finding the Fourth Proportional to 299,350.62, 449,110.17 and 130,885.74

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Solution

The fourth proportional to 299,350.62, 449,110.17 and 130,885.74 is: 196,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,350.62 : 449,110.17 = 130,885.74 : x
  2. Step 2: Convert to fraction form
    299,350.62/449,110.17 = 130,885.74/x
  3. Step 3: Cross multiply
    299,350.62x = 449,110.17 × 130,885.74
  4. Step 4: Simplify right side
    299,350.62x = 58,782,116,941.98
  5. Step 5: Solve for x
    x = 58,782,116,941.98/299,350.62
  6. Step 6: Final answer
    x = 196,365.44

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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.