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Finding the Fourth Proportional to 118,055.82, 162,912.90 and 64,339.76

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Solution

The fourth proportional to 118,055.82, 162,912.90 and 64,339.76 is: 88,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,055.82 : 162,912.90 = 64,339.76 : x
  2. Step 2: Convert to fraction form
    118,055.82/162,912.90 = 64,339.76/x
  3. Step 3: Cross multiply
    118,055.82x = 162,912.90 × 64,339.76
  4. Step 4: Simplify right side
    118,055.82x = 10,481,776,886.90
  5. Step 5: Solve for x
    x = 10,481,776,886.90/118,055.82
  6. Step 6: Final answer
    x = 88,786.62

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