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Finding the Fourth Proportional to 223,356.80, 335,094.60 and 96,942.80

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Solution

The fourth proportional to 223,356.80, 335,094.60 and 96,942.80 is: 145,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,356.80 : 335,094.60 = 96,942.80 : x
  2. Step 2: Convert to fraction form
    223,356.80/335,094.60 = 96,942.80/x
  3. Step 3: Cross multiply
    223,356.80x = 335,094.60 × 96,942.80
  4. Step 4: Simplify right side
    223,356.80x = 32,485,008,788.88
  5. Step 5: Solve for x
    x = 32,485,008,788.88/223,356.80
  6. Step 6: Final answer
    x = 145,439.98

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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.