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Finding the Fourth Proportional to 117,745.44, 162,447.48 and 66,750.72

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Solution

The fourth proportional to 117,745.44, 162,447.48 and 66,750.72 is: 92,092.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,745.44 : 162,447.48 = 66,750.72 : x
  2. Step 2: Convert to fraction form
    117,745.44/162,447.48 = 66,750.72/x
  3. Step 3: Cross multiply
    117,745.44x = 162,447.48 × 66,750.72
  4. Step 4: Simplify right side
    117,745.44x = 10,843,486,252.19
  5. Step 5: Solve for x
    x = 10,843,486,252.19/117,745.44
  6. Step 6: Final answer
    x = 92,092.62

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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.