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Finding the Fourth Proportional to 58,115.25, 87,211.14 and 20,674.71

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Solution

The fourth proportional to 58,115.25, 87,211.14 and 20,674.71 is: 31,025.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,115.25 : 87,211.14 = 20,674.71 : x
  2. Step 2: Convert to fraction form
    58,115.25/87,211.14 = 20,674.71/x
  3. Step 3: Cross multiply
    58,115.25x = 87,211.14 × 20,674.71
  4. Step 4: Simplify right side
    58,115.25x = 1,803,065,028.27
  5. Step 5: Solve for x
    x = 1,803,065,028.27/58,115.25
  6. Step 6: Final answer
    x = 31,025.68

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