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Finding the Fourth Proportional to 76,894.40, 115,341.60 and 41,902.40

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Solution

The fourth proportional to 76,894.40, 115,341.60 and 41,902.40 is: 62,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,894.40 : 115,341.60 = 41,902.40 : x
  2. Step 2: Convert to fraction form
    76,894.40/115,341.60 = 41,902.40/x
  3. Step 3: Cross multiply
    76,894.40x = 115,341.60 × 41,902.40
  4. Step 4: Simplify right side
    76,894.40x = 4,833,089,859.84
  5. Step 5: Solve for x
    x = 4,833,089,859.84/76,894.40
  6. Step 6: Final answer
    x = 62,853.60

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