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Finding the Fourth Proportional to 76,112.87, 105,037.47 and 49,302.05

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Solution

The fourth proportional to 76,112.87, 105,037.47 and 49,302.05 is: 68,037.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,112.87 : 105,037.47 = 49,302.05 : x
  2. Step 2: Convert to fraction form
    76,112.87/105,037.47 = 49,302.05/x
  3. Step 3: Cross multiply
    76,112.87x = 105,037.47 × 49,302.05
  4. Step 4: Simplify right side
    76,112.87x = 5,178,562,072.63
  5. Step 5: Solve for x
    x = 5,178,562,072.63/76,112.87
  6. Step 6: Final answer
    x = 68,037.93

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