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Finding the Fourth Proportional to 269,804.39, 372,333.07 and 148,945.74

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Solution

The fourth proportional to 269,804.39, 372,333.07 and 148,945.74 is: 205,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,804.39 : 372,333.07 = 148,945.74 : x
  2. Step 2: Convert to fraction form
    269,804.39/372,333.07 = 148,945.74/x
  3. Step 3: Cross multiply
    269,804.39x = 372,333.07 × 148,945.74
  4. Step 4: Simplify right side
    269,804.39x = 55,457,424,637.62
  5. Step 5: Solve for x
    x = 55,457,424,637.62/269,804.39
  6. Step 6: Final answer
    x = 205,546.78

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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.