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Finding the Fourth Proportional to 248,863.20, 373,294.80 and 61,874.70

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Solution

The fourth proportional to 248,863.20, 373,294.80 and 61,874.70 is: 92,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,863.20 : 373,294.80 = 61,874.70 : x
  2. Step 2: Convert to fraction form
    248,863.20/373,294.80 = 61,874.70/x
  3. Step 3: Cross multiply
    248,863.20x = 373,294.80 × 61,874.70
  4. Step 4: Simplify right side
    248,863.20x = 23,097,503,761.56
  5. Step 5: Solve for x
    x = 23,097,503,761.56/248,863.20
  6. Step 6: Final answer
    x = 92,812.05

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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.