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Finding the Fourth Proportional to 192,420.40, 265,368.20 and 120,807.12

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Solution

The fourth proportional to 192,420.40, 265,368.20 and 120,807.12 is: 166,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,420.40 : 265,368.20 = 120,807.12 : x
  2. Step 2: Convert to fraction form
    192,420.40/265,368.20 = 120,807.12/x
  3. Step 3: Cross multiply
    192,420.40x = 265,368.20 × 120,807.12
  4. Step 4: Simplify right side
    192,420.40x = 32,058,367,981.58
  5. Step 5: Solve for x
    x = 32,058,367,981.58/192,420.40
  6. Step 6: Final answer
    x = 166,605.87

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