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Finding the Fourth Proportional to 250,980.70, 376,443.50 and 73,489.44

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Solution

The fourth proportional to 250,980.70, 376,443.50 and 73,489.44 is: 110,226.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,980.70 : 376,443.50 = 73,489.44 : x
  2. Step 2: Convert to fraction form
    250,980.70/376,443.50 = 73,489.44/x
  3. Step 3: Cross multiply
    250,980.70x = 376,443.50 × 73,489.44
  4. Step 4: Simplify right side
    250,980.70x = 27,664,622,006.64
  5. Step 5: Solve for x
    x = 27,664,622,006.64/250,980.70
  6. Step 6: Final answer
    x = 110,226.09

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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.