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Finding the Fourth Proportional to 66,562.44, 99,818.22 and 22,180.68

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Solution

The fourth proportional to 66,562.44, 99,818.22 and 22,180.68 is: 33,262.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,562.44 : 99,818.22 = 22,180.68 : x
  2. Step 2: Convert to fraction form
    66,562.44/99,818.22 = 22,180.68/x
  3. Step 3: Cross multiply
    66,562.44x = 99,818.22 × 22,180.68
  4. Step 4: Simplify right side
    66,562.44x = 2,214,035,995.99
  5. Step 5: Solve for x
    x = 2,214,035,995.99/66,562.44
  6. Step 6: Final answer
    x = 33,262.54

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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.