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Finding the Fourth Proportional to 56,842.85, 78,448.98 and 36,160.69

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Solution

The fourth proportional to 56,842.85, 78,448.98 and 36,160.69 is: 49,905.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,842.85 : 78,448.98 = 36,160.69 : x
  2. Step 2: Convert to fraction form
    56,842.85/78,448.98 = 36,160.69/x
  3. Step 3: Cross multiply
    56,842.85x = 78,448.98 × 36,160.69
  4. Step 4: Simplify right side
    56,842.85x = 2,836,769,246.60
  5. Step 5: Solve for x
    x = 2,836,769,246.60/56,842.85
  6. Step 6: Final answer
    x = 49,905.47

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