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Finding the Fourth Proportional to 57,230.40, 85,845.60 and 48,590.40

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Solution

The fourth proportional to 57,230.40, 85,845.60 and 48,590.40 is: 72,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,230.40 : 85,845.60 = 48,590.40 : x
  2. Step 2: Convert to fraction form
    57,230.40/85,845.60 = 48,590.40/x
  3. Step 3: Cross multiply
    57,230.40x = 85,845.60 × 48,590.40
  4. Step 4: Simplify right side
    57,230.40x = 4,171,272,042.24
  5. Step 5: Solve for x
    x = 4,171,272,042.24/57,230.40
  6. Step 6: Final answer
    x = 72,885.60

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