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Finding the Fourth Proportional to 49,248.75, 73,873.17 and 12,312.75

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Solution

The fourth proportional to 49,248.75, 73,873.17 and 12,312.75 is: 18,469.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,248.75 : 73,873.17 = 12,312.75 : x
  2. Step 2: Convert to fraction form
    49,248.75/73,873.17 = 12,312.75/x
  3. Step 3: Cross multiply
    49,248.75x = 73,873.17 × 12,312.75
  4. Step 4: Simplify right side
    49,248.75x = 909,581,873.92
  5. Step 5: Solve for x
    x = 909,581,873.92/49,248.75
  6. Step 6: Final answer
    x = 18,469.14

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