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Finding the Fourth Proportional to 92,227.40, 138,470.70 and 57,235.40

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Solution

The fourth proportional to 92,227.40, 138,470.70 and 57,235.40 is: 85,933.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,227.40 : 138,470.70 = 57,235.40 : x
  2. Step 2: Convert to fraction form
    92,227.40/138,470.70 = 57,235.40/x
  3. Step 3: Cross multiply
    92,227.40x = 138,470.70 × 57,235.40
  4. Step 4: Simplify right side
    92,227.40x = 7,925,425,902.78
  5. Step 5: Solve for x
    x = 7,925,425,902.78/92,227.40
  6. Step 6: Final answer
    x = 85,933.53

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