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Finding the Fourth Proportional to 223,865.88, 335,718.16 and 74,078.52

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Solution

The fourth proportional to 223,865.88, 335,718.16 and 74,078.52 is: 111,091.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,865.88 : 335,718.16 = 74,078.52 : x
  2. Step 2: Convert to fraction form
    223,865.88/335,718.16 = 74,078.52/x
  3. Step 3: Cross multiply
    223,865.88x = 335,718.16 × 74,078.52
  4. Step 4: Simplify right side
    223,865.88x = 24,869,504,429.92
  5. Step 5: Solve for x
    x = 24,869,504,429.92/223,865.88
  6. Step 6: Final answer
    x = 111,091.09

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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.