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Finding the Fourth Proportional to 79,318.40, 118,848.96 and 41,876.48

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Solution

The fourth proportional to 79,318.40, 118,848.96 and 41,876.48 is: 62,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,318.40 : 118,848.96 = 41,876.48 : x
  2. Step 2: Convert to fraction form
    79,318.40/118,848.96 = 41,876.48/x
  3. Step 3: Cross multiply
    79,318.40x = 118,848.96 × 41,876.48
  4. Step 4: Simplify right side
    79,318.40x = 4,976,976,096.46
  5. Step 5: Solve for x
    x = 4,976,976,096.46/79,318.40
  6. Step 6: Final answer
    x = 62,746.80

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