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Finding the Fourth Proportional to 216,033.36, 298,131.84 and 120,539.76

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Solution

The fourth proportional to 216,033.36, 298,131.84 and 120,539.76 is: 166,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,033.36 : 298,131.84 = 120,539.76 : x
  2. Step 2: Convert to fraction form
    216,033.36/298,131.84 = 120,539.76/x
  3. Step 3: Cross multiply
    216,033.36x = 298,131.84 × 120,539.76
  4. Step 4: Simplify right side
    216,033.36x = 35,936,740,441.96
  5. Step 5: Solve for x
    x = 35,936,740,441.96/216,033.36
  6. Step 6: Final answer
    x = 166,348.11

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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.