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Finding the Fourth Proportional to 258,869.40, 388,349.70 and 107,066.04

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Solution

The fourth proportional to 258,869.40, 388,349.70 and 107,066.04 is: 160,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,869.40 : 388,349.70 = 107,066.04 : x
  2. Step 2: Convert to fraction form
    258,869.40/388,349.70 = 107,066.04/x
  3. Step 3: Cross multiply
    258,869.40x = 388,349.70 × 107,066.04
  4. Step 4: Simplify right side
    258,869.40x = 41,579,064,514.19
  5. Step 5: Solve for x
    x = 41,579,064,514.19/258,869.40
  6. Step 6: Final answer
    x = 160,617.92

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