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Finding the Fourth Proportional to 107,952.20, 161,928.30 and 99,657.80

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Solution

The fourth proportional to 107,952.20, 161,928.30 and 99,657.80 is: 149,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,952.20 : 161,928.30 = 99,657.80 : x
  2. Step 2: Convert to fraction form
    107,952.20/161,928.30 = 99,657.80/x
  3. Step 3: Cross multiply
    107,952.20x = 161,928.30 × 99,657.80
  4. Step 4: Simplify right side
    107,952.20x = 16,137,418,135.74
  5. Step 5: Solve for x
    x = 16,137,418,135.74/107,952.20
  6. Step 6: Final answer
    x = 149,486.70

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