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Finding the Fourth Proportional to 195,687.99, 293,632.42 and 93,221.37

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Solution

The fourth proportional to 195,687.99, 293,632.42 and 93,221.37 is: 139,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,687.99 : 293,632.42 = 93,221.37 : x
  2. Step 2: Convert to fraction form
    195,687.99/293,632.42 = 93,221.37/x
  3. Step 3: Cross multiply
    195,687.99x = 293,632.42 × 93,221.37
  4. Step 4: Simplify right side
    195,687.99x = 27,372,816,468.82
  5. Step 5: Solve for x
    x = 27,372,816,468.82/195,687.99
  6. Step 6: Final answer
    x = 139,879.90

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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.