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Finding the Fourth Proportional to 154,946.01, 213,826.41 and 86,036.45

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Solution

The fourth proportional to 154,946.01, 213,826.41 and 86,036.45 is: 118,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,946.01 : 213,826.41 = 86,036.45 : x
  2. Step 2: Convert to fraction form
    154,946.01/213,826.41 = 86,036.45/x
  3. Step 3: Cross multiply
    154,946.01x = 213,826.41 × 86,036.45
  4. Step 4: Simplify right side
    154,946.01x = 18,396,865,017.55
  5. Step 5: Solve for x
    x = 18,396,865,017.55/154,946.01
  6. Step 6: Final answer
    x = 118,730.81

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