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Finding the Fourth Proportional to 223,662.10, 335,493.15 and 144,865.30

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Solution

The fourth proportional to 223,662.10, 335,493.15 and 144,865.30 is: 217,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,662.10 : 335,493.15 = 144,865.30 : x
  2. Step 2: Convert to fraction form
    223,662.10/335,493.15 = 144,865.30/x
  3. Step 3: Cross multiply
    223,662.10x = 335,493.15 × 144,865.30
  4. Step 4: Simplify right side
    223,662.10x = 48,601,315,822.70
  5. Step 5: Solve for x
    x = 48,601,315,822.70/223,662.10
  6. Step 6: Final answer
    x = 217,297.95

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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.