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Finding the Fourth Proportional to 82,082.95, 123,130.77 and 31,506.29

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Solution

The fourth proportional to 82,082.95, 123,130.77 and 31,506.29 is: 47,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,082.95 : 123,130.77 = 31,506.29 : x
  2. Step 2: Convert to fraction form
    82,082.95/123,130.77 = 31,506.29/x
  3. Step 3: Cross multiply
    82,082.95x = 123,130.77 × 31,506.29
  4. Step 4: Simplify right side
    82,082.95x = 3,879,393,475.48
  5. Step 5: Solve for x
    x = 3,879,393,475.48/82,082.95
  6. Step 6: Final answer
    x = 47,261.87

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