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Finding the Fourth Proportional to 339,194.68, 508,792.02 and 128,832.10

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Solution

The fourth proportional to 339,194.68, 508,792.02 and 128,832.10 is: 193,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,194.68 : 508,792.02 = 128,832.10 : x
  2. Step 2: Convert to fraction form
    339,194.68/508,792.02 = 128,832.10/x
  3. Step 3: Cross multiply
    339,194.68x = 508,792.02 × 128,832.10
  4. Step 4: Simplify right side
    339,194.68x = 65,548,744,399.84
  5. Step 5: Solve for x
    x = 65,548,744,399.84/339,194.68
  6. Step 6: Final answer
    x = 193,248.15

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