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Finding the Fourth Proportional to 263,423.94, 395,121.98 and 73,897.38

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Solution

The fourth proportional to 263,423.94, 395,121.98 and 73,897.38 is: 110,842.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,423.94 : 395,121.98 = 73,897.38 : x
  2. Step 2: Convert to fraction form
    263,423.94/395,121.98 = 73,897.38/x
  3. Step 3: Cross multiply
    263,423.94x = 395,121.98 × 73,897.38
  4. Step 4: Simplify right side
    263,423.94x = 29,198,479,102.41
  5. Step 5: Solve for x
    x = 29,198,479,102.41/263,423.94
  6. Step 6: Final answer
    x = 110,842.16

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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.