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Finding the Fourth Proportional to 200,616.59, 300,837.40 and 75,870.11

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Solution

The fourth proportional to 200,616.59, 300,837.40 and 75,870.11 is: 113,772.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,616.59 : 300,837.40 = 75,870.11 : x
  2. Step 2: Convert to fraction form
    200,616.59/300,837.40 = 75,870.11/x
  3. Step 3: Cross multiply
    200,616.59x = 300,837.40 × 75,870.11
  4. Step 4: Simplify right side
    200,616.59x = 22,824,565,130.62
  5. Step 5: Solve for x
    x = 22,824,565,130.62/200,616.59
  6. Step 6: Final answer
    x = 113,772.07

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