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Finding the Fourth Proportional to 243,188.25, 335,594.20 and 135,768.27

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Solution

The fourth proportional to 243,188.25, 335,594.20 and 135,768.27 is: 187,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,188.25 : 335,594.20 = 135,768.27 : x
  2. Step 2: Convert to fraction form
    243,188.25/335,594.20 = 135,768.27/x
  3. Step 3: Cross multiply
    243,188.25x = 335,594.20 × 135,768.27
  4. Step 4: Simplify right side
    243,188.25x = 45,563,043,956.03
  5. Step 5: Solve for x
    x = 45,563,043,956.03/243,188.25
  6. Step 6: Final answer
    x = 187,357.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.