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Finding the Fourth Proportional to 123,972.94, 171,082.64 and 67,384.32

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Solution

The fourth proportional to 123,972.94, 171,082.64 and 67,384.32 is: 92,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,972.94 : 171,082.64 = 67,384.32 : x
  2. Step 2: Convert to fraction form
    123,972.94/171,082.64 = 67,384.32/x
  3. Step 3: Cross multiply
    123,972.94x = 171,082.64 × 67,384.32
  4. Step 4: Simplify right side
    123,972.94x = 11,528,287,360.20
  5. Step 5: Solve for x
    x = 11,528,287,360.20/123,972.94
  6. Step 6: Final answer
    x = 92,990.35

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