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Finding the Fourth Proportional to 269,674.26, 372,134.43 and 148,826.91

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Solution

The fourth proportional to 269,674.26, 372,134.43 and 148,826.91 is: 205,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,674.26 : 372,134.43 = 148,826.91 : x
  2. Step 2: Convert to fraction form
    269,674.26/372,134.43 = 148,826.91/x
  3. Step 3: Cross multiply
    269,674.26x = 372,134.43 × 148,826.91
  4. Step 4: Simplify right side
    269,674.26x = 55,383,617,321.51
  5. Step 5: Solve for x
    x = 55,383,617,321.51/269,674.26
  6. Step 6: Final answer
    x = 205,372.28

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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.