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Finding the Fourth Proportional to 105,585.14, 158,398.38 and 46,420.63

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Solution

The fourth proportional to 105,585.14, 158,398.38 and 46,420.63 is: 69,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,585.14 : 158,398.38 = 46,420.63 : x
  2. Step 2: Convert to fraction form
    105,585.14/158,398.38 = 46,420.63/x
  3. Step 3: Cross multiply
    105,585.14x = 158,398.38 × 46,420.63
  4. Step 4: Simplify right side
    105,585.14x = 7,352,952,194.58
  5. Step 5: Solve for x
    x = 7,352,952,194.58/105,585.14
  6. Step 6: Final answer
    x = 69,640.03

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