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Finding the Fourth Proportional to 295,791.72, 443,599.98 and 85,431.48

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Solution

The fourth proportional to 295,791.72, 443,599.98 and 85,431.48 is: 128,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,791.72 : 443,599.98 = 85,431.48 : x
  2. Step 2: Convert to fraction form
    295,791.72/443,599.98 = 85,431.48/x
  3. Step 3: Cross multiply
    295,791.72x = 443,599.98 × 85,431.48
  4. Step 4: Simplify right side
    295,791.72x = 37,897,402,819.37
  5. Step 5: Solve for x
    x = 37,897,402,819.37/295,791.72
  6. Step 6: Final answer
    x = 128,121.92

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