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Finding the Fourth Proportional to 59,319.20, 88,978.80 and 57,245.60

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Solution

The fourth proportional to 59,319.20, 88,978.80 and 57,245.60 is: 85,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,319.20 : 88,978.80 = 57,245.60 : x
  2. Step 2: Convert to fraction form
    59,319.20/88,978.80 = 57,245.60/x
  3. Step 3: Cross multiply
    59,319.20x = 88,978.80 × 57,245.60
  4. Step 4: Simplify right side
    59,319.20x = 5,093,644,793.28
  5. Step 5: Solve for x
    x = 5,093,644,793.28/59,319.20
  6. Step 6: Final answer
    x = 85,868.40

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