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Finding the Fourth Proportional to 248,676, 373,169.44 and 100,932

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Solution

The fourth proportional to 248,676, 373,169.44 and 100,932 is: 151,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,676 : 373,169.44 = 100,932 : x
  2. Step 2: Convert to fraction form
    248,676/373,169.44 = 100,932/x
  3. Step 3: Cross multiply
    248,676x = 373,169.44 × 100,932
  4. Step 4: Simplify right side
    248,676x = 37,664,737,918.08
  5. Step 5: Solve for x
    x = 37,664,737,918.08/248,676
  6. Step 6: Final answer
    x = 151,461.09

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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.