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Finding the Fourth Proportional to 269,344.91, 371,698.38 and 148,490.45

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Solution

The fourth proportional to 269,344.91, 371,698.38 and 148,490.45 is: 204,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,344.91 : 371,698.38 = 148,490.45 : x
  2. Step 2: Convert to fraction form
    269,344.91/371,698.38 = 148,490.45/x
  3. Step 3: Cross multiply
    269,344.91x = 371,698.38 × 148,490.45
  4. Step 4: Simplify right side
    269,344.91x = 55,193,661,336.65
  5. Step 5: Solve for x
    x = 55,193,661,336.65/269,344.91
  6. Step 6: Final answer
    x = 204,918.15

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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.