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Finding the Fourth Proportional to 195,099, 269,156.94 and 154,650.44

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Solution

The fourth proportional to 195,099, 269,156.94 and 154,650.44 is: 213,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,099 : 269,156.94 = 154,650.44 : x
  2. Step 2: Convert to fraction form
    195,099/269,156.94 = 154,650.44/x
  3. Step 3: Cross multiply
    195,099x = 269,156.94 × 154,650.44
  4. Step 4: Simplify right side
    195,099x = 41,625,239,200.05
  5. Step 5: Solve for x
    x = 41,625,239,200.05/195,099
  6. Step 6: Final answer
    x = 213,354.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.