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Finding the Fourth Proportional to 79,609.34, 109,798.70 and 49,377.71

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Solution

The fourth proportional to 79,609.34, 109,798.70 and 49,377.71 is: 68,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,609.34 : 109,798.70 = 49,377.71 : x
  2. Step 2: Convert to fraction form
    79,609.34/109,798.70 = 49,377.71/x
  3. Step 3: Cross multiply
    79,609.34x = 109,798.70 × 49,377.71
  4. Step 4: Simplify right side
    79,609.34x = 5,421,607,571.09
  5. Step 5: Solve for x
    x = 5,421,607,571.09/79,609.34
  6. Step 6: Final answer
    x = 68,102.66

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