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Finding the Fourth Proportional to 83,135.16, 114,719.09 and 51,314.31

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Solution

The fourth proportional to 83,135.16, 114,719.09 and 51,314.31 is: 70,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,135.16 : 114,719.09 = 51,314.31 : x
  2. Step 2: Convert to fraction form
    83,135.16/114,719.09 = 51,314.31/x
  3. Step 3: Cross multiply
    83,135.16x = 114,719.09 × 51,314.31
  4. Step 4: Simplify right side
    83,135.16x = 5,886,730,690.61
  5. Step 5: Solve for x
    x = 5,886,730,690.61/83,135.16
  6. Step 6: Final answer
    x = 70,809.16

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