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Finding the Fourth Proportional to 223,730.85, 335,596.95 and 55,251.21

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Solution

The fourth proportional to 223,730.85, 335,596.95 and 55,251.21 is: 82,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,730.85 : 335,596.95 = 55,251.21 : x
  2. Step 2: Convert to fraction form
    223,730.85/335,596.95 = 55,251.21/x
  3. Step 3: Cross multiply
    223,730.85x = 335,596.95 × 55,251.21
  4. Step 4: Simplify right side
    223,730.85x = 18,542,137,559.81
  5. Step 5: Solve for x
    x = 18,542,137,559.81/223,730.85
  6. Step 6: Final answer
    x = 82,876.98

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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.