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Finding the Fourth Proportional to 189,160.71, 261,043.52 and 104,280.81

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Solution

The fourth proportional to 189,160.71, 261,043.52 and 104,280.81 is: 143,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,160.71 : 261,043.52 = 104,280.81 : x
  2. Step 2: Convert to fraction form
    189,160.71/261,043.52 = 104,280.81/x
  3. Step 3: Cross multiply
    189,160.71x = 261,043.52 × 104,280.81
  4. Step 4: Simplify right side
    189,160.71x = 27,221,829,710.85
  5. Step 5: Solve for x
    x = 27,221,829,710.85/189,160.71
  6. Step 6: Final answer
    x = 143,908.48

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