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Finding the Fourth Proportional to 66,731.14, 100,027.00 and 22,321.37

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Solution

The fourth proportional to 66,731.14, 100,027.00 and 22,321.37 is: 33,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,731.14 : 100,027.00 = 22,321.37 : x
  2. Step 2: Convert to fraction form
    66,731.14/100,027.00 = 22,321.37/x
  3. Step 3: Cross multiply
    66,731.14x = 100,027.00 × 22,321.37
  4. Step 4: Simplify right side
    66,731.14x = 2,232,739,954.96
  5. Step 5: Solve for x
    x = 2,232,739,954.96/66,731.14
  6. Step 6: Final answer
    x = 33,458.74

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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.