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Finding the Fourth Proportional to 261,369.72, 392,054.58 and 74,381.22

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Solution

The fourth proportional to 261,369.72, 392,054.58 and 74,381.22 is: 111,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,369.72 : 392,054.58 = 74,381.22 : x
  2. Step 2: Convert to fraction form
    261,369.72/392,054.58 = 74,381.22/x
  3. Step 3: Cross multiply
    261,369.72x = 392,054.58 × 74,381.22
  4. Step 4: Simplify right side
    261,369.72x = 29,161,497,966.99
  5. Step 5: Solve for x
    x = 29,161,497,966.99/261,369.72
  6. Step 6: Final answer
    x = 111,571.83

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