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Finding the Fourth Proportional to 133,505.20, 200,330.70 and 54,627.40

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Solution

The fourth proportional to 133,505.20, 200,330.70 and 54,627.40 is: 81,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,505.20 : 200,330.70 = 54,627.40 : x
  2. Step 2: Convert to fraction form
    133,505.20/200,330.70 = 54,627.40/x
  3. Step 3: Cross multiply
    133,505.20x = 200,330.70 × 54,627.40
  4. Step 4: Simplify right side
    133,505.20x = 10,943,545,281.18
  5. Step 5: Solve for x
    x = 10,943,545,281.18/133,505.20
  6. Step 6: Final answer
    x = 81,970.93

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