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Finding the Fourth Proportional to 74,369.89, 111,599.16 and 26,988.68

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Solution

The fourth proportional to 74,369.89, 111,599.16 and 26,988.68 is: 40,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,369.89 : 111,599.16 = 26,988.68 : x
  2. Step 2: Convert to fraction form
    74,369.89/111,599.16 = 26,988.68/x
  3. Step 3: Cross multiply
    74,369.89x = 111,599.16 × 26,988.68
  4. Step 4: Simplify right side
    74,369.89x = 3,011,914,017.51
  5. Step 5: Solve for x
    x = 3,011,914,017.51/74,369.89
  6. Step 6: Final answer
    x = 40,499.11

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