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Finding the Fourth Proportional to 199,420.48, 275,189.92 and 123,967.68

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Solution

The fourth proportional to 199,420.48, 275,189.92 and 123,967.68 is: 171,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,420.48 : 275,189.92 = 123,967.68 : x
  2. Step 2: Convert to fraction form
    199,420.48/275,189.92 = 123,967.68/x
  3. Step 3: Cross multiply
    199,420.48x = 275,189.92 × 123,967.68
  4. Step 4: Simplify right side
    199,420.48x = 34,114,655,941.79
  5. Step 5: Solve for x
    x = 34,114,655,941.79/199,420.48
  6. Step 6: Final answer
    x = 171,068.97

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