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Finding the Fourth Proportional to 299,769.70, 449,582.55 and 173,136.10

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Solution

The fourth proportional to 299,769.70, 449,582.55 and 173,136.10 is: 259,662.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,769.70 : 449,582.55 = 173,136.10 : x
  2. Step 2: Convert to fraction form
    299,769.70/449,582.55 = 173,136.10/x
  3. Step 3: Cross multiply
    299,769.70x = 449,582.55 × 173,136.10
  4. Step 4: Simplify right side
    299,769.70x = 77,838,969,335.06
  5. Step 5: Solve for x
    x = 77,838,969,335.06/299,769.70
  6. Step 6: Final answer
    x = 259,662.57

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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.