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Finding the Fourth Proportional to 135,959,265.13, 203,978,693.56 and 43,841,150.56

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Solution

The fourth proportional to 135,959,265.13, 203,978,693.56 and 43,841,150.56 is: 65,774,558.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,959,265.13 : 203,978,693.56 = 43,841,150.56 : x
  2. Step 2: Convert to fraction form
    135,959,265.13/203,978,693.56 = 43,841,150.56/x
  3. Step 3: Cross multiply
    135,959,265.13x = 203,978,693.56 × 43,841,150.56
  4. Step 4: Simplify right side
    135,959,265.13x = 8,942,660,615,396,063
  5. Step 5: Solve for x
    x = 8,942,660,615,396,063/135,959,265.13
  6. Step 6: Final answer
    x = 65,774,558.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.