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Finding the Fourth Proportional to 166,311.60, 249,467.40 and 47,986.80

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Solution

The fourth proportional to 166,311.60, 249,467.40 and 47,986.80 is: 71,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,311.60 : 249,467.40 = 47,986.80 : x
  2. Step 2: Convert to fraction form
    166,311.60/249,467.40 = 47,986.80/x
  3. Step 3: Cross multiply
    166,311.60x = 249,467.40 × 47,986.80
  4. Step 4: Simplify right side
    166,311.60x = 11,971,142,230.32
  5. Step 5: Solve for x
    x = 11,971,142,230.32/166,311.60
  6. Step 6: Final answer
    x = 71,980.20

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