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Finding the Fourth Proportional to 272,550.78, 375,906.69 and 177,088.50

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Solution

The fourth proportional to 272,550.78, 375,906.69 and 177,088.50 is: 244,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,550.78 : 375,906.69 = 177,088.50 : x
  2. Step 2: Convert to fraction form
    272,550.78/375,906.69 = 177,088.50/x
  3. Step 3: Cross multiply
    272,550.78x = 375,906.69 × 177,088.50
  4. Step 4: Simplify right side
    272,550.78x = 66,568,751,872.07
  5. Step 5: Solve for x
    x = 66,568,751,872.07/272,550.78
  6. Step 6: Final answer
    x = 244,243.48

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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.