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Finding the Fourth Proportional to 135,959,265.63, 203,978,694.32 and 43,841,151.06

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Solution

The fourth proportional to 135,959,265.63, 203,978,694.32 and 43,841,151.06 is: 65,774,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,959,265.63 : 203,978,694.32 = 43,841,151.06 : x
  2. Step 2: Convert to fraction form
    135,959,265.63/203,978,694.32 = 43,841,151.06/x
  3. Step 3: Cross multiply
    135,959,265.63x = 203,978,694.32 × 43,841,151.06
  4. Step 4: Simplify right side
    135,959,265.63x = 8,942,660,750,485,479
  5. Step 5: Solve for x
    x = 8,942,660,750,485,479/135,959,265.63
  6. Step 6: Final answer
    x = 65,774,559.09

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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.