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Finding the Fourth Proportional to 117,704.52, 162,435.42 and 63,993.22

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Solution

The fourth proportional to 117,704.52, 162,435.42 and 63,993.22 is: 88,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,704.52 : 162,435.42 = 63,993.22 : x
  2. Step 2: Convert to fraction form
    117,704.52/162,435.42 = 63,993.22/x
  3. Step 3: Cross multiply
    117,704.52x = 162,435.42 × 63,993.22
  4. Step 4: Simplify right side
    117,704.52x = 10,394,765,161.76
  5. Step 5: Solve for x
    x = 10,394,765,161.76/117,704.52
  6. Step 6: Final answer
    x = 88,312.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.