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Finding the Fourth Proportional to 178,363.78, 267,571.59 and 95,212.42

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Solution

The fourth proportional to 178,363.78, 267,571.59 and 95,212.42 is: 142,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,363.78 : 267,571.59 = 95,212.42 : x
  2. Step 2: Convert to fraction form
    178,363.78/267,571.59 = 95,212.42/x
  3. Step 3: Cross multiply
    178,363.78x = 267,571.59 × 95,212.42
  4. Step 4: Simplify right side
    178,363.78x = 25,476,138,607.15
  5. Step 5: Solve for x
    x = 25,476,138,607.15/178,363.78
  6. Step 6: Final answer
    x = 142,832.47

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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.