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Finding the Fourth Proportional to 56,755.73, 85,146.92 and 17,312.84

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Solution

The fourth proportional to 56,755.73, 85,146.92 and 17,312.84 is: 25,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,755.73 : 85,146.92 = 17,312.84 : x
  2. Step 2: Convert to fraction form
    56,755.73/85,146.92 = 17,312.84/x
  3. Step 3: Cross multiply
    56,755.73x = 85,146.92 × 17,312.84
  4. Step 4: Simplify right side
    56,755.73x = 1,474,134,813.51
  5. Step 5: Solve for x
    x = 1,474,134,813.51/56,755.73
  6. Step 6: Final answer
    x = 25,973.32

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