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Finding the Fourth Proportional to 269,287.94, 371,615.51 and 148,429.33

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Solution

The fourth proportional to 269,287.94, 371,615.51 and 148,429.33 is: 204,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,287.94 : 371,615.51 = 148,429.33 : x
  2. Step 2: Convert to fraction form
    269,287.94/371,615.51 = 148,429.33/x
  3. Step 3: Cross multiply
    269,287.94x = 371,615.51 × 148,429.33
  4. Step 4: Simplify right side
    269,287.94x = 55,158,640,608.94
  5. Step 5: Solve for x
    x = 55,158,640,608.94/269,287.94
  6. Step 6: Final answer
    x = 204,831.45

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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.