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Finding the Fourth Proportional to 121,201.16, 181,829.28 and 36,968.86

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Solution

The fourth proportional to 121,201.16, 181,829.28 and 36,968.86 is: 55,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,201.16 : 181,829.28 = 36,968.86 : x
  2. Step 2: Convert to fraction form
    121,201.16/181,829.28 = 36,968.86/x
  3. Step 3: Cross multiply
    121,201.16x = 181,829.28 × 36,968.86
  4. Step 4: Simplify right side
    121,201.16x = 6,722,020,287.07
  5. Step 5: Solve for x
    x = 6,722,020,287.07/121,201.16
  6. Step 6: Final answer
    x = 55,461.68

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