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Finding the Fourth Proportional to 135,959,266.63, 203,978,695.82 and 43,841,152.06

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Solution

The fourth proportional to 135,959,266.63, 203,978,695.82 and 43,841,152.06 is: 65,774,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,959,266.63 : 203,978,695.82 = 43,841,152.06 : x
  2. Step 2: Convert to fraction form
    135,959,266.63/203,978,695.82 = 43,841,152.06/x
  3. Step 3: Cross multiply
    135,959,266.63x = 203,978,695.82 × 43,841,152.06
  4. Step 4: Simplify right side
    135,959,266.63x = 8,942,661,020,445,107
  5. Step 5: Solve for x
    x = 8,942,661,020,445,107/135,959,266.63
  6. Step 6: Final answer
    x = 65,774,560.59

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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.