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Finding the Fourth Proportional to 238,745.62, 329,469.13 and 131,323.83

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Solution

The fourth proportional to 238,745.62, 329,469.13 and 131,323.83 is: 181,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,745.62 : 329,469.13 = 131,323.83 : x
  2. Step 2: Convert to fraction form
    238,745.62/329,469.13 = 131,323.83/x
  3. Step 3: Cross multiply
    238,745.62x = 329,469.13 × 131,323.83
  4. Step 4: Simplify right side
    238,745.62x = 43,267,145,714.40
  5. Step 5: Solve for x
    x = 43,267,145,714.40/238,745.62
  6. Step 6: Final answer
    x = 181,226.97

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1.5x scale

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.