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Finding the Fourth Proportional to 66,892.42, 100,353.98 and 22,517.98

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Solution

The fourth proportional to 66,892.42, 100,353.98 and 22,517.98 is: 33,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,892.42 : 100,353.98 = 22,517.98 : x
  2. Step 2: Convert to fraction form
    66,892.42/100,353.98 = 22,517.98/x
  3. Step 3: Cross multiply
    66,892.42x = 100,353.98 × 22,517.98
  4. Step 4: Simplify right side
    66,892.42x = 2,259,768,914.56
  5. Step 5: Solve for x
    x = 2,259,768,914.56/66,892.42
  6. Step 6: Final answer
    x = 33,782.14

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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.