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Finding the Fourth Proportional to 269,361.36, 371,721.26 and 148,507.32

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Solution

The fourth proportional to 269,361.36, 371,721.26 and 148,507.32 is: 204,941.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,361.36 : 371,721.26 = 148,507.32 : x
  2. Step 2: Convert to fraction form
    269,361.36/371,721.26 = 148,507.32/x
  3. Step 3: Cross multiply
    269,361.36x = 371,721.26 × 148,507.32
  4. Step 4: Simplify right side
    269,361.36x = 55,203,328,109.62
  5. Step 5: Solve for x
    x = 55,203,328,109.62/269,361.36
  6. Step 6: Final answer
    x = 204,941.53

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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.