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Finding the Fourth Proportional to 58,231.20, 87,346.80 and 53,725.60

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Solution

The fourth proportional to 58,231.20, 87,346.80 and 53,725.60 is: 80,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,231.20 : 87,346.80 = 53,725.60 : x
  2. Step 2: Convert to fraction form
    58,231.20/87,346.80 = 53,725.60/x
  3. Step 3: Cross multiply
    58,231.20x = 87,346.80 × 53,725.60
  4. Step 4: Simplify right side
    58,231.20x = 4,692,759,238.08
  5. Step 5: Solve for x
    x = 4,692,759,238.08/58,231.20
  6. Step 6: Final answer
    x = 80,588.40

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