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Finding the Fourth Proportional to 58,273.22, 87,391.31 and 18,820.96

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Solution

The fourth proportional to 58,273.22, 87,391.31 and 18,820.96 is: 28,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,273.22 : 87,391.31 = 18,820.96 : x
  2. Step 2: Convert to fraction form
    58,273.22/87,391.31 = 18,820.96/x
  3. Step 3: Cross multiply
    58,273.22x = 87,391.31 × 18,820.96
  4. Step 4: Simplify right side
    58,273.22x = 1,644,788,037.27
  5. Step 5: Solve for x
    x = 1,644,788,037.27/58,273.22
  6. Step 6: Final answer
    x = 28,225.45

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