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Finding the Fourth Proportional to 121,580.28, 167,808.80 and 71,295.48

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Solution

The fourth proportional to 121,580.28, 167,808.80 and 71,295.48 is: 98,404.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,580.28 : 167,808.80 = 71,295.48 : x
  2. Step 2: Convert to fraction form
    121,580.28/167,808.80 = 71,295.48/x
  3. Step 3: Cross multiply
    121,580.28x = 167,808.80 × 71,295.48
  4. Step 4: Simplify right side
    121,580.28x = 11,964,008,944.22
  5. Step 5: Solve for x
    x = 11,964,008,944.22/121,580.28
  6. Step 6: Final answer
    x = 98,404.19

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