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Finding the Fourth Proportional to 269,287.70, 371,600.12 and 148,422.33

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Solution

The fourth proportional to 269,287.70, 371,600.12 and 148,422.33 is: 204,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,287.70 : 371,600.12 = 148,422.33 : x
  2. Step 2: Convert to fraction form
    269,287.70/371,600.12 = 148,422.33/x
  3. Step 3: Cross multiply
    269,287.70x = 371,600.12 × 148,422.33
  4. Step 4: Simplify right side
    269,287.70x = 55,153,756,009.74
  5. Step 5: Solve for x
    x = 55,153,756,009.74/269,287.70
  6. Step 6: Final answer
    x = 204,813.50

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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.