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Finding the Fourth Proportional to 55,239.20, 82,861.68 and 15,802.12

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Solution

The fourth proportional to 55,239.20, 82,861.68 and 15,802.12 is: 23,704.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,239.20 : 82,861.68 = 15,802.12 : x
  2. Step 2: Convert to fraction form
    55,239.20/82,861.68 = 15,802.12/x
  3. Step 3: Cross multiply
    55,239.20x = 82,861.68 × 15,802.12
  4. Step 4: Simplify right side
    55,239.20x = 1,309,390,210.76
  5. Step 5: Solve for x
    x = 1,309,390,210.76/55,239.20
  6. Step 6: Final answer
    x = 23,704.00

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