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Finding the Fourth Proportional to 263,167.44, 394,600 and 103,055.88

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Solution

The fourth proportional to 263,167.44, 394,600 and 103,055.88 is: 154,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,167.44 : 394,600 = 103,055.88 : x
  2. Step 2: Convert to fraction form
    263,167.44/394,600 = 103,055.88/x
  3. Step 3: Cross multiply
    263,167.44x = 394,600 × 103,055.88
  4. Step 4: Simplify right side
    263,167.44x = 40,665,850,248
  5. Step 5: Solve for x
    x = 40,665,850,248/263,167.44
  6. Step 6: Final answer
    x = 154,524.63

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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.