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Finding the Fourth Proportional to 161,944.62, 242,889.39 and 43,589.58

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Solution

The fourth proportional to 161,944.62, 242,889.39 and 43,589.58 is: 65,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,944.62 : 242,889.39 = 43,589.58 : x
  2. Step 2: Convert to fraction form
    161,944.62/242,889.39 = 43,589.58/x
  3. Step 3: Cross multiply
    161,944.62x = 242,889.39 × 43,589.58
  4. Step 4: Simplify right side
    161,944.62x = 10,587,446,496.56
  5. Step 5: Solve for x
    x = 10,587,446,496.56/161,944.62
  6. Step 6: Final answer
    x = 65,376.96

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1.5x scale

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.