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Finding the Fourth Proportional to 215,467.56, 323,093.21 and 125,539.34

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Solution

The fourth proportional to 215,467.56, 323,093.21 and 125,539.34 is: 188,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,467.56 : 323,093.21 = 125,539.34 : x
  2. Step 2: Convert to fraction form
    215,467.56/323,093.21 = 125,539.34/x
  3. Step 3: Cross multiply
    215,467.56x = 323,093.21 × 125,539.34
  4. Step 4: Simplify right side
    215,467.56x = 40,560,906,098.72
  5. Step 5: Solve for x
    x = 40,560,906,098.72/215,467.56
  6. Step 6: Final answer
    x = 188,246.00

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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.