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Finding the Fourth Proportional to 118,481.32, 163,522.02 and 68,170.60

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Solution

The fourth proportional to 118,481.32, 163,522.02 and 68,170.60 is: 94,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,481.32 : 163,522.02 = 68,170.60 : x
  2. Step 2: Convert to fraction form
    118,481.32/163,522.02 = 68,170.60/x
  3. Step 3: Cross multiply
    118,481.32x = 163,522.02 × 68,170.60
  4. Step 4: Simplify right side
    118,481.32x = 11,147,394,216.61
  5. Step 5: Solve for x
    x = 11,147,394,216.61/118,481.32
  6. Step 6: Final answer
    x = 94,085.67

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