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Finding the Fourth Proportional to 117,109.08, 161,570.54 and 76,254.50

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Solution

The fourth proportional to 117,109.08, 161,570.54 and 76,254.50 is: 105,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,109.08 : 161,570.54 = 76,254.50 : x
  2. Step 2: Convert to fraction form
    117,109.08/161,570.54 = 76,254.50/x
  3. Step 3: Cross multiply
    117,109.08x = 161,570.54 × 76,254.50
  4. Step 4: Simplify right side
    117,109.08x = 12,320,479,553.30
  5. Step 5: Solve for x
    x = 12,320,479,553.30/117,109.08
  6. Step 6: Final answer
    x = 105,205.16

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