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Finding the Fourth Proportional to 196,395.84, 270,993.60 and 111,481.92

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Solution

The fourth proportional to 196,395.84, 270,993.60 and 111,481.92 is: 153,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,395.84 : 270,993.60 = 111,481.92 : x
  2. Step 2: Convert to fraction form
    196,395.84/270,993.60 = 111,481.92/x
  3. Step 3: Cross multiply
    196,395.84x = 270,993.60 × 111,481.92
  4. Step 4: Simplify right side
    196,395.84x = 30,210,886,835.71
  5. Step 5: Solve for x
    x = 30,210,886,835.71/196,395.84
  6. Step 6: Final answer
    x = 153,826.51

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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.