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Finding the Fourth Proportional to 325,109.44, 448,640.61 and 181,866.43

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Solution

The fourth proportional to 325,109.44, 448,640.61 and 181,866.43 is: 250,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,109.44 : 448,640.61 = 181,866.43 : x
  2. Step 2: Convert to fraction form
    325,109.44/448,640.61 = 181,866.43/x
  3. Step 3: Cross multiply
    325,109.44x = 448,640.61 × 181,866.43
  4. Step 4: Simplify right side
    325,109.44x = 81,592,666,093.72
  5. Step 5: Solve for x
    x = 81,592,666,093.72/325,109.44
  6. Step 6: Final answer
    x = 250,969.85

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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.