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Finding the Fourth Proportional to 223,861.52, 335,711.64 and 74,074.16

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Solution

The fourth proportional to 223,861.52, 335,711.64 and 74,074.16 is: 111,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,861.52 : 335,711.64 = 74,074.16 : x
  2. Step 2: Convert to fraction form
    223,861.52/335,711.64 = 74,074.16/x
  3. Step 3: Cross multiply
    223,861.52x = 335,711.64 × 74,074.16
  4. Step 4: Simplify right side
    223,861.52x = 24,867,557,735.22
  5. Step 5: Solve for x
    x = 24,867,557,735.22/223,861.52
  6. Step 6: Final answer
    x = 111,084.56

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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.