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Finding the Fourth Proportional to 223,650.40, 335,216.40 and 90,464.80

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Solution

The fourth proportional to 223,650.40, 335,216.40 and 90,464.80 is: 135,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,650.40 : 335,216.40 = 90,464.80 : x
  2. Step 2: Convert to fraction form
    223,650.40/335,216.40 = 90,464.80/x
  3. Step 3: Cross multiply
    223,650.40x = 335,216.40 × 90,464.80
  4. Step 4: Simplify right side
    223,650.40x = 30,325,284,582.72
  5. Step 5: Solve for x
    x = 30,325,284,582.72/223,650.40
  6. Step 6: Final answer
    x = 135,592.36

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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.