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Finding the Fourth Proportional to 269,806.47, 372,333.48 and 148,947.92

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Solution

The fourth proportional to 269,806.47, 372,333.48 and 148,947.92 is: 205,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,806.47 : 372,333.48 = 148,947.92 : x
  2. Step 2: Convert to fraction form
    269,806.47/372,333.48 = 148,947.92/x
  3. Step 3: Cross multiply
    269,806.47x = 372,333.48 × 148,947.92
  4. Step 4: Simplify right side
    269,806.47x = 55,458,297,392.36
  5. Step 5: Solve for x
    x = 55,458,297,392.36/269,806.47
  6. Step 6: Final answer
    x = 205,548.43

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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.