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Finding the Fourth Proportional to 83,466.72, 115,186.32 and 45,742.56

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Solution

The fourth proportional to 83,466.72, 115,186.32 and 45,742.56 is: 63,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,466.72 : 115,186.32 = 45,742.56 : x
  2. Step 2: Convert to fraction form
    83,466.72/115,186.32 = 45,742.56/x
  3. Step 3: Cross multiply
    83,466.72x = 115,186.32 × 45,742.56
  4. Step 4: Simplify right side
    83,466.72x = 5,268,917,153.78
  5. Step 5: Solve for x
    x = 5,268,917,153.78/83,466.72
  6. Step 6: Final answer
    x = 63,125.96

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