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Finding the Fourth Proportional to 135,687.96, 203,490.48 and 93,837

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Solution

The fourth proportional to 135,687.96, 203,490.48 and 93,837 is: 140,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,687.96 : 203,490.48 = 93,837 : x
  2. Step 2: Convert to fraction form
    135,687.96/203,490.48 = 93,837/x
  3. Step 3: Cross multiply
    135,687.96x = 203,490.48 × 93,837
  4. Step 4: Simplify right side
    135,687.96x = 19,094,936,171.76
  5. Step 5: Solve for x
    x = 19,094,936,171.76/135,687.96
  6. Step 6: Final answer
    x = 140,726.83

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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.