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Finding the Fourth Proportional to 200,228.80, 299,905.80 and 155,504.65

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Solution

The fourth proportional to 200,228.80, 299,905.80 and 155,504.65 is: 232,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,228.80 : 299,905.80 = 155,504.65 : x
  2. Step 2: Convert to fraction form
    200,228.80/299,905.80 = 155,504.65/x
  3. Step 3: Cross multiply
    200,228.80x = 299,905.80 × 155,504.65
  4. Step 4: Simplify right side
    200,228.80x = 46,636,746,461.97
  5. Step 5: Solve for x
    x = 46,636,746,461.97/200,228.80
  6. Step 6: Final answer
    x = 232,917.27

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