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Finding the Fourth Proportional to 135,498.76, 203,174.83 and 107,598.31

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Solution

The fourth proportional to 135,498.76, 203,174.83 and 107,598.31 is: 161,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,498.76 : 203,174.83 = 107,598.31 : x
  2. Step 2: Convert to fraction form
    135,498.76/203,174.83 = 107,598.31/x
  3. Step 3: Cross multiply
    135,498.76x = 203,174.83 × 107,598.31
  4. Step 4: Simplify right side
    135,498.76x = 21,861,268,342.54
  5. Step 5: Solve for x
    x = 21,861,268,342.54/135,498.76
  6. Step 6: Final answer
    x = 161,339.25

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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.