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Finding the Fourth Proportional to 216,481.11, 298,731.06 and 119,679.17

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Solution

The fourth proportional to 216,481.11, 298,731.06 and 119,679.17 is: 165,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,481.11 : 298,731.06 = 119,679.17 : x
  2. Step 2: Convert to fraction form
    216,481.11/298,731.06 = 119,679.17/x
  3. Step 3: Cross multiply
    216,481.11x = 298,731.06 × 119,679.17
  4. Step 4: Simplify right side
    216,481.11x = 35,751,883,820.36
  5. Step 5: Solve for x
    x = 35,751,883,820.36/216,481.11
  6. Step 6: Final answer
    x = 165,150.13

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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.