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Finding the Fourth Proportional to 358,387.28, 537,539.34 and 133,755.56

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Solution

The fourth proportional to 358,387.28, 537,539.34 and 133,755.56 is: 200,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,387.28 : 537,539.34 = 133,755.56 : x
  2. Step 2: Convert to fraction form
    358,387.28/537,539.34 = 133,755.56/x
  3. Step 3: Cross multiply
    358,387.28x = 537,539.34 × 133,755.56
  4. Step 4: Simplify right side
    358,387.28x = 71,898,875,443.73
  5. Step 5: Solve for x
    x = 71,898,875,443.73/358,387.28
  6. Step 6: Final answer
    x = 200,617.82

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