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Finding the Fourth Proportional to 269,804.30, 372,327.84 and 148,945.75

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Solution

The fourth proportional to 269,804.30, 372,327.84 and 148,945.75 is: 205,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,804.30 : 372,327.84 = 148,945.75 : x
  2. Step 2: Convert to fraction form
    269,804.30/372,327.84 = 148,945.75/x
  3. Step 3: Cross multiply
    269,804.30x = 372,327.84 × 148,945.75
  4. Step 4: Simplify right side
    269,804.30x = 55,456,648,443.86
  5. Step 5: Solve for x
    x = 55,456,648,443.86/269,804.30
  6. Step 6: Final answer
    x = 205,543.98

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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.