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Finding the Fourth Proportional to 223,867.56, 335,801.34 and 74,067.72

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Solution

The fourth proportional to 223,867.56, 335,801.34 and 74,067.72 is: 111,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,867.56 : 335,801.34 = 74,067.72 : x
  2. Step 2: Convert to fraction form
    223,867.56/335,801.34 = 74,067.72/x
  3. Step 3: Cross multiply
    223,867.56x = 335,801.34 × 74,067.72
  4. Step 4: Simplify right side
    223,867.56x = 24,872,039,626.74
  5. Step 5: Solve for x
    x = 24,872,039,626.74/223,867.56
  6. Step 6: Final answer
    x = 111,101.58

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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.