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Finding the Fourth Proportional to 269,920.25, 404,879.21 and 109,960.50

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Solution

The fourth proportional to 269,920.25, 404,879.21 and 109,960.50 is: 164,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,920.25 : 404,879.21 = 109,960.50 : x
  2. Step 2: Convert to fraction form
    269,920.25/404,879.21 = 109,960.50/x
  3. Step 3: Cross multiply
    269,920.25x = 404,879.21 × 109,960.50
  4. Step 4: Simplify right side
    269,920.25x = 44,520,721,795.75
  5. Step 5: Solve for x
    x = 44,520,721,795.75/269,920.25
  6. Step 6: Final answer
    x = 164,940.28

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1.5x scale

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.