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Finding the Fourth Proportional to 92,425.42, 138,646.60 and 25,865.36

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Solution

The fourth proportional to 92,425.42, 138,646.60 and 25,865.36 is: 38,800.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,425.42 : 138,646.60 = 25,865.36 : x
  2. Step 2: Convert to fraction form
    92,425.42/138,646.60 = 25,865.36/x
  3. Step 3: Cross multiply
    92,425.42x = 138,646.60 × 25,865.36
  4. Step 4: Simplify right side
    92,425.42x = 3,586,144,221.78
  5. Step 5: Solve for x
    x = 3,586,144,221.78/92,425.42
  6. Step 6: Final answer
    x = 38,800.41

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