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Finding the Fourth Proportional to 269,787.60, 372,456 and 162,384

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Solution

The fourth proportional to 269,787.60, 372,456 and 162,384 is: 224,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,787.60 : 372,456 = 162,384 : x
  2. Step 2: Convert to fraction form
    269,787.60/372,456 = 162,384/x
  3. Step 3: Cross multiply
    269,787.60x = 372,456 × 162,384
  4. Step 4: Simplify right side
    269,787.60x = 60,480,895,104
  5. Step 5: Solve for x
    x = 60,480,895,104/269,787.60
  6. Step 6: Final answer
    x = 224,179.67

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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.