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Finding the Fourth Proportional to 83,685.30, 115,488.37 and 45,959.55

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Solution

The fourth proportional to 83,685.30, 115,488.37 and 45,959.55 is: 63,425.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,685.30 : 115,488.37 = 45,959.55 : x
  2. Step 2: Convert to fraction form
    83,685.30/115,488.37 = 45,959.55/x
  3. Step 3: Cross multiply
    83,685.30x = 115,488.37 × 45,959.55
  4. Step 4: Simplify right side
    83,685.30x = 5,307,793,515.43
  5. Step 5: Solve for x
    x = 5,307,793,515.43/83,685.30
  6. Step 6: Final answer
    x = 63,425.64

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