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Finding the Fourth Proportional to 80,583.80, 120,875.70 and 50,905.40

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Solution

The fourth proportional to 80,583.80, 120,875.70 and 50,905.40 is: 76,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,583.80 : 120,875.70 = 50,905.40 : x
  2. Step 2: Convert to fraction form
    80,583.80/120,875.70 = 50,905.40/x
  3. Step 3: Cross multiply
    80,583.80x = 120,875.70 × 50,905.40
  4. Step 4: Simplify right side
    80,583.80x = 6,153,225,858.78
  5. Step 5: Solve for x
    x = 6,153,225,858.78/80,583.80
  6. Step 6: Final answer
    x = 76,358.10

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