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Finding the Fourth Proportional to 102,666, 141,679.08 and 57,954

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Solution

The fourth proportional to 102,666, 141,679.08 and 57,954 is: 79,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,666 : 141,679.08 = 57,954 : x
  2. Step 2: Convert to fraction form
    102,666/141,679.08 = 57,954/x
  3. Step 3: Cross multiply
    102,666x = 141,679.08 × 57,954
  4. Step 4: Simplify right side
    102,666x = 8,210,869,402.32
  5. Step 5: Solve for x
    x = 8,210,869,402.32/102,666
  6. Step 6: Final answer
    x = 79,976.52

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