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Finding the Fourth Proportional to 269,676.26, 372,137.19 and 148,828.91

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Solution

The fourth proportional to 269,676.26, 372,137.19 and 148,828.91 is: 205,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,676.26 : 372,137.19 = 148,828.91 : x
  2. Step 2: Convert to fraction form
    269,676.26/372,137.19 = 148,828.91/x
  3. Step 3: Cross multiply
    269,676.26x = 372,137.19 × 148,828.91
  4. Step 4: Simplify right side
    269,676.26x = 55,384,772,358.16
  5. Step 5: Solve for x
    x = 55,384,772,358.16/269,676.26
  6. Step 6: Final answer
    x = 205,375.04

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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.