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Finding the Fourth Proportional to 93,050.78, 128,406.36 and 50,609.31

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Solution

The fourth proportional to 93,050.78, 128,406.36 and 50,609.31 is: 69,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,050.78 : 128,406.36 = 50,609.31 : x
  2. Step 2: Convert to fraction form
    93,050.78/128,406.36 = 50,609.31/x
  3. Step 3: Cross multiply
    93,050.78x = 128,406.36 × 50,609.31
  4. Step 4: Simplify right side
    93,050.78x = 6,498,556,987.47
  5. Step 5: Solve for x
    x = 6,498,556,987.47/93,050.78
  6. Step 6: Final answer
    x = 69,838.83

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