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Finding the Fourth Proportional to 66,234.75, 99,327.83 and 21,848.37

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Solution

The fourth proportional to 66,234.75, 99,327.83 and 21,848.37 is: 32,764.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,234.75 : 99,327.83 = 21,848.37 : x
  2. Step 2: Convert to fraction form
    66,234.75/99,327.83 = 21,848.37/x
  3. Step 3: Cross multiply
    66,234.75x = 99,327.83 × 21,848.37
  4. Step 4: Simplify right side
    66,234.75x = 2,170,151,071.90
  5. Step 5: Solve for x
    x = 2,170,151,071.90/66,234.75
  6. Step 6: Final answer
    x = 32,764.54

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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.