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Finding the Fourth Proportional to 105,482.91, 145,566.60 and 57,739.29

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Solution

The fourth proportional to 105,482.91, 145,566.60 and 57,739.29 is: 79,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,482.91 : 145,566.60 = 57,739.29 : x
  2. Step 2: Convert to fraction form
    105,482.91/145,566.60 = 57,739.29/x
  3. Step 3: Cross multiply
    105,482.91x = 145,566.60 × 57,739.29
  4. Step 4: Simplify right side
    105,482.91x = 8,404,912,131.71
  5. Step 5: Solve for x
    x = 8,404,912,131.71/105,482.91
  6. Step 6: Final answer
    x = 79,680.32

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