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Finding the Fourth Proportional to 223,855.60, 335,783.40 and 199,361.20

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Solution

The fourth proportional to 223,855.60, 335,783.40 and 199,361.20 is: 299,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,855.60 : 335,783.40 = 199,361.20 : x
  2. Step 2: Convert to fraction form
    223,855.60/335,783.40 = 199,361.20/x
  3. Step 3: Cross multiply
    223,855.60x = 335,783.40 × 199,361.20
  4. Step 4: Simplify right side
    223,855.60x = 66,942,181,564.08
  5. Step 5: Solve for x
    x = 66,942,181,564.08/223,855.60
  6. Step 6: Final answer
    x = 299,041.80

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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.