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Finding the Fourth Proportional to 147,458.25, 203,434.62 and 90,771.21

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Solution

The fourth proportional to 147,458.25, 203,434.62 and 90,771.21 is: 125,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,458.25 : 203,434.62 = 90,771.21 : x
  2. Step 2: Convert to fraction form
    147,458.25/203,434.62 = 90,771.21/x
  3. Step 3: Cross multiply
    147,458.25x = 203,434.62 × 90,771.21
  4. Step 4: Simplify right side
    147,458.25x = 18,466,006,613.29
  5. Step 5: Solve for x
    x = 18,466,006,613.29/147,458.25
  6. Step 6: Final answer
    x = 125,228.71

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