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Finding the Fourth Proportional to 392,021.85, 587,962.62 and 103,835.46

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Solution

The fourth proportional to 392,021.85, 587,962.62 and 103,835.46 is: 155,734.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,021.85 : 587,962.62 = 103,835.46 : x
  2. Step 2: Convert to fraction form
    392,021.85/587,962.62 = 103,835.46/x
  3. Step 3: Cross multiply
    392,021.85x = 587,962.62 × 103,835.46
  4. Step 4: Simplify right side
    392,021.85x = 61,051,369,110.51
  5. Step 5: Solve for x
    x = 61,051,369,110.51/392,021.85
  6. Step 6: Final answer
    x = 155,734.61

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