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Finding the Fourth Proportional to 80,283.34, 120,499.73 and 40,869.96

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Solution

The fourth proportional to 80,283.34, 120,499.73 and 40,869.96 is: 61,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,283.34 : 120,499.73 = 40,869.96 : x
  2. Step 2: Convert to fraction form
    80,283.34/120,499.73 = 40,869.96/x
  3. Step 3: Cross multiply
    80,283.34x = 120,499.73 × 40,869.96
  4. Step 4: Simplify right side
    80,283.34x = 4,924,819,145.11
  5. Step 5: Solve for x
    x = 4,924,819,145.11/80,283.34
  6. Step 6: Final answer
    x = 61,342.98

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