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Finding the Fourth Proportional to 83,677.06, 115,470.19 and 47,372.86

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Solution

The fourth proportional to 83,677.06, 115,470.19 and 47,372.86 is: 65,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,677.06 : 115,470.19 = 47,372.86 : x
  2. Step 2: Convert to fraction form
    83,677.06/115,470.19 = 47,372.86/x
  3. Step 3: Cross multiply
    83,677.06x = 115,470.19 × 47,372.86
  4. Step 4: Simplify right side
    83,677.06x = 5,470,153,145.04
  5. Step 5: Solve for x
    x = 5,470,153,145.04/83,677.06
  6. Step 6: Final answer
    x = 65,372.20

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