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Finding the Fourth Proportional to 92,659.56, 138,881.86 and 42,634.64

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Solution

The fourth proportional to 92,659.56, 138,881.86 and 42,634.64 is: 63,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,659.56 : 138,881.86 = 42,634.64 : x
  2. Step 2: Convert to fraction form
    92,659.56/138,881.86 = 42,634.64/x
  3. Step 3: Cross multiply
    92,659.56x = 138,881.86 × 42,634.64
  4. Step 4: Simplify right side
    92,659.56x = 5,921,178,103.63
  5. Step 5: Solve for x
    x = 5,921,178,103.63/92,659.56
  6. Step 6: Final answer
    x = 63,902.51

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