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Finding the Fourth Proportional to 293,820.60, 440,220.60 and 135,724.80

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Solution

The fourth proportional to 293,820.60, 440,220.60 and 135,724.80 is: 203,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,820.60 : 440,220.60 = 135,724.80 : x
  2. Step 2: Convert to fraction form
    293,820.60/440,220.60 = 135,724.80/x
  3. Step 3: Cross multiply
    293,820.60x = 440,220.60 × 135,724.80
  4. Step 4: Simplify right side
    293,820.60x = 59,748,852,890.88
  5. Step 5: Solve for x
    x = 59,748,852,890.88/293,820.60
  6. Step 6: Final answer
    x = 203,351.48

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