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Finding the Fourth Proportional to 269,305.96, 371,642.12 and 148,449.25

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Solution

The fourth proportional to 269,305.96, 371,642.12 and 148,449.25 is: 204,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,305.96 : 371,642.12 = 148,449.25 : x
  2. Step 2: Convert to fraction form
    269,305.96/371,642.12 = 148,449.25/x
  3. Step 3: Cross multiply
    269,305.96x = 371,642.12 × 148,449.25
  4. Step 4: Simplify right side
    269,305.96x = 55,169,993,982.41
  5. Step 5: Solve for x
    x = 55,169,993,982.41/269,305.96
  6. Step 6: Final answer
    x = 204,859.91

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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.