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Finding the Fourth Proportional to 118,798.03, 178,196.97 and 47,720.65

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Solution

The fourth proportional to 118,798.03, 178,196.97 and 47,720.65 is: 71,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,798.03 : 178,196.97 = 47,720.65 : x
  2. Step 2: Convert to fraction form
    118,798.03/178,196.97 = 47,720.65/x
  3. Step 3: Cross multiply
    118,798.03x = 178,196.97 × 47,720.65
  4. Step 4: Simplify right side
    118,798.03x = 8,503,675,236.43
  5. Step 5: Solve for x
    x = 8,503,675,236.43/118,798.03
  6. Step 6: Final answer
    x = 71,580.94

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