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Finding the Fourth Proportional to 223,867.56, 335,801.40 and 74,067.60

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Solution

The fourth proportional to 223,867.56, 335,801.40 and 74,067.60 is: 111,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,867.56 : 335,801.40 = 74,067.60 : x
  2. Step 2: Convert to fraction form
    223,867.56/335,801.40 = 74,067.60/x
  3. Step 3: Cross multiply
    223,867.56x = 335,801.40 × 74,067.60
  4. Step 4: Simplify right side
    223,867.56x = 24,872,003,774.64
  5. Step 5: Solve for x
    x = 24,872,003,774.64/223,867.56
  6. Step 6: Final answer
    x = 111,101.42

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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.