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Finding the Fourth Proportional to 358,983.40, 538,470.30 and 109,666.60

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Solution

The fourth proportional to 358,983.40, 538,470.30 and 109,666.60 is: 164,498.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,983.40 : 538,470.30 = 109,666.60 : x
  2. Step 2: Convert to fraction form
    358,983.40/538,470.30 = 109,666.60/x
  3. Step 3: Cross multiply
    358,983.40x = 538,470.30 × 109,666.60
  4. Step 4: Simplify right side
    358,983.40x = 59,052,207,001.98
  5. Step 5: Solve for x
    x = 59,052,207,001.98/358,983.40
  6. Step 6: Final answer
    x = 164,498.43

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