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Finding the Fourth Proportional to 166,311.65, 249,506.82 and 53,991.65

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Solution

The fourth proportional to 166,311.65, 249,506.82 and 53,991.65 is: 81,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,311.65 : 249,506.82 = 53,991.65 : x
  2. Step 2: Convert to fraction form
    166,311.65/249,506.82 = 53,991.65/x
  3. Step 3: Cross multiply
    166,311.65x = 249,506.82 × 53,991.65
  4. Step 4: Simplify right side
    166,311.65x = 13,471,283,650.52
  5. Step 5: Solve for x
    x = 13,471,283,650.52/166,311.65
  6. Step 6: Final answer
    x = 81,000.24

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