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Finding the Fourth Proportional to 325,179.76, 448,749.84 and 181,940.08

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Solution

The fourth proportional to 325,179.76, 448,749.84 and 181,940.08 is: 251,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,179.76 : 448,749.84 = 181,940.08 : x
  2. Step 2: Convert to fraction form
    325,179.76/448,749.84 = 181,940.08/x
  3. Step 3: Cross multiply
    325,179.76x = 448,749.84 × 181,940.08
  4. Step 4: Simplify right side
    325,179.76x = 81,645,581,789.59
  5. Step 5: Solve for x
    x = 81,645,581,789.59/325,179.76
  6. Step 6: Final answer
    x = 251,078.30

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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.