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Finding the Fourth Proportional to 216,229.50, 298,394.92 and 118,112.82

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Solution

The fourth proportional to 216,229.50, 298,394.92 and 118,112.82 is: 162,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,229.50 : 298,394.92 = 118,112.82 : x
  2. Step 2: Convert to fraction form
    216,229.50/298,394.92 = 118,112.82/x
  3. Step 3: Cross multiply
    216,229.50x = 298,394.92 × 118,112.82
  4. Step 4: Simplify right side
    216,229.50x = 35,244,265,474.87
  5. Step 5: Solve for x
    x = 35,244,265,474.87/216,229.50
  6. Step 6: Final answer
    x = 162,994.71

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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.