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Finding the Fourth Proportional to 113,314.80, 169,972.32 and 30,208.80

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Solution

The fourth proportional to 113,314.80, 169,972.32 and 30,208.80 is: 45,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,314.80 : 169,972.32 = 30,208.80 : x
  2. Step 2: Convert to fraction form
    113,314.80/169,972.32 = 30,208.80/x
  3. Step 3: Cross multiply
    113,314.80x = 169,972.32 × 30,208.80
  4. Step 4: Simplify right side
    113,314.80x = 5,134,659,820.42
  5. Step 5: Solve for x
    x = 5,134,659,820.42/113,314.80
  6. Step 6: Final answer
    x = 45,313.23

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