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Finding the Fourth Proportional to 111,340.95, 166,998.27 and 31,384.92

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Solution

The fourth proportional to 111,340.95, 166,998.27 and 31,384.92 is: 47,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,340.95 : 166,998.27 = 31,384.92 : x
  2. Step 2: Convert to fraction form
    111,340.95/166,998.27 = 31,384.92/x
  3. Step 3: Cross multiply
    111,340.95x = 166,998.27 × 31,384.92
  4. Step 4: Simplify right side
    111,340.95x = 5,241,226,509.10
  5. Step 5: Solve for x
    x = 5,241,226,509.10/111,340.95
  6. Step 6: Final answer
    x = 47,073.66

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