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Finding the Fourth Proportional to 113,767.44, 170,631.72 and 30,642

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Solution

The fourth proportional to 113,767.44, 170,631.72 and 30,642 is: 45,957.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,767.44 : 170,631.72 = 30,642 : x
  2. Step 2: Convert to fraction form
    113,767.44/170,631.72 = 30,642/x
  3. Step 3: Cross multiply
    113,767.44x = 170,631.72 × 30,642
  4. Step 4: Simplify right side
    113,767.44x = 5,228,497,164.24
  5. Step 5: Solve for x
    x = 5,228,497,164.24/113,767.44
  6. Step 6: Final answer
    x = 45,957.76

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