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Finding the Fourth Proportional to 168,243.18, 252,325.86 and 49,885.98

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Solution

The fourth proportional to 168,243.18, 252,325.86 and 49,885.98 is: 74,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,243.18 : 252,325.86 = 49,885.98 : x
  2. Step 2: Convert to fraction form
    168,243.18/252,325.86 = 49,885.98/x
  3. Step 3: Cross multiply
    168,243.18x = 252,325.86 × 49,885.98
  4. Step 4: Simplify right side
    168,243.18x = 12,587,522,805.44
  5. Step 5: Solve for x
    x = 12,587,522,805.44/168,243.18
  6. Step 6: Final answer
    x = 74,817.43

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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.