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Finding the Fourth Proportional to 352,571.48, 529,067.37 and 127,949.47

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Solution

The fourth proportional to 352,571.48, 529,067.37 and 127,949.47 is: 192,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,571.48 : 529,067.37 = 127,949.47 : x
  2. Step 2: Convert to fraction form
    352,571.48/529,067.37 = 127,949.47/x
  3. Step 3: Cross multiply
    352,571.48x = 529,067.37 × 127,949.47
  4. Step 4: Simplify right side
    352,571.48x = 67,693,891,359.08
  5. Step 5: Solve for x
    x = 67,693,891,359.08/352,571.48
  6. Step 6: Final answer
    x = 192,000.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.