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Finding the Fourth Proportional to 223,871.60, 335,418.60 and 188,879.60

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Solution

The fourth proportional to 223,871.60, 335,418.60 and 188,879.60 is: 282,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,871.60 : 335,418.60 = 188,879.60 : x
  2. Step 2: Convert to fraction form
    223,871.60/335,418.60 = 188,879.60/x
  3. Step 3: Cross multiply
    223,871.60x = 335,418.60 × 188,879.60
  4. Step 4: Simplify right side
    223,871.60x = 63,353,731,000.56
  5. Step 5: Solve for x
    x = 63,353,731,000.56/223,871.60
  6. Step 6: Final answer
    x = 282,991.37

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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.