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Finding the Fourth Proportional to 216,019.48, 298,099.92 and 117,898.96

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Solution

The fourth proportional to 216,019.48, 298,099.92 and 117,898.96 is: 162,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,019.48 : 298,099.92 = 117,898.96 : x
  2. Step 2: Convert to fraction form
    216,019.48/298,099.92 = 117,898.96/x
  3. Step 3: Cross multiply
    216,019.48x = 298,099.92 × 117,898.96
  4. Step 4: Simplify right side
    216,019.48x = 35,145,670,544.08
  5. Step 5: Solve for x
    x = 35,145,670,544.08/216,019.48
  6. Step 6: Final answer
    x = 162,696.76

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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.