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Finding the Fourth Proportional to 98,833.20, 136,389.87 and 53,511.20

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Solution

The fourth proportional to 98,833.20, 136,389.87 and 53,511.20 is: 73,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,833.20 : 136,389.87 = 53,511.20 : x
  2. Step 2: Convert to fraction form
    98,833.20/136,389.87 = 53,511.20/x
  3. Step 3: Cross multiply
    98,833.20x = 136,389.87 × 53,511.20
  4. Step 4: Simplify right side
    98,833.20x = 7,298,384,929.59
  5. Step 5: Solve for x
    x = 7,298,384,929.59/98,833.20
  6. Step 6: Final answer
    x = 73,845.48

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