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Finding the Fourth Proportional to 248,678, 373,172.44 and 100,934

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Solution

The fourth proportional to 248,678, 373,172.44 and 100,934 is: 151,464.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,678 : 373,172.44 = 100,934 : x
  2. Step 2: Convert to fraction form
    248,678/373,172.44 = 100,934/x
  3. Step 3: Cross multiply
    248,678x = 373,172.44 × 100,934
  4. Step 4: Simplify right side
    248,678x = 37,665,787,058.96
  5. Step 5: Solve for x
    x = 37,665,787,058.96/248,678
  6. Step 6: Final answer
    x = 151,464.09

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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.