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Finding the Fourth Proportional to 135,559.72, 203,340.96 and 35,734.24

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Solution

The fourth proportional to 135,559.72, 203,340.96 and 35,734.24 is: 53,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,559.72 : 203,340.96 = 35,734.24 : x
  2. Step 2: Convert to fraction form
    135,559.72/203,340.96 = 35,734.24/x
  3. Step 3: Cross multiply
    135,559.72x = 203,340.96 × 35,734.24
  4. Step 4: Simplify right side
    135,559.72x = 7,266,234,666.47
  5. Step 5: Solve for x
    x = 7,266,234,666.47/135,559.72
  6. Step 6: Final answer
    x = 53,601.72

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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.