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Finding the Fourth Proportional to 216,651.37, 324,976.14 and 58,879.37

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Solution

The fourth proportional to 216,651.37, 324,976.14 and 58,879.37 is: 88,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,651.37 : 324,976.14 = 58,879.37 : x
  2. Step 2: Convert to fraction form
    216,651.37/324,976.14 = 58,879.37/x
  3. Step 3: Cross multiply
    216,651.37x = 324,976.14 × 58,879.37
  4. Step 4: Simplify right side
    216,651.37x = 19,134,390,388.23
  5. Step 5: Solve for x
    x = 19,134,390,388.23/216,651.37
  6. Step 6: Final answer
    x = 88,318.81

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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.