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Finding the Fourth Proportional to 269,772.57, 372,435.30 and 162,369

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Solution

The fourth proportional to 269,772.57, 372,435.30 and 162,369 is: 224,158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,772.57 : 372,435.30 = 162,369 : x
  2. Step 2: Convert to fraction form
    269,772.57/372,435.30 = 162,369/x
  3. Step 3: Cross multiply
    269,772.57x = 372,435.30 × 162,369
  4. Step 4: Simplify right side
    269,772.57x = 60,471,947,225.70
  5. Step 5: Solve for x
    x = 60,471,947,225.70/269,772.57
  6. Step 6: Final answer
    x = 224,158.99

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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.