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Finding the Fourth Proportional to 238,623, 357,936.66 and 72,411

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Solution

The fourth proportional to 238,623, 357,936.66 and 72,411 is: 108,617.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,623 : 357,936.66 = 72,411 : x
  2. Step 2: Convert to fraction form
    238,623/357,936.66 = 72,411/x
  3. Step 3: Cross multiply
    238,623x = 357,936.66 × 72,411
  4. Step 4: Simplify right side
    238,623x = 25,918,551,487.26
  5. Step 5: Solve for x
    x = 25,918,551,487.26/238,623
  6. Step 6: Final answer
    x = 108,617.16

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