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Finding the Fourth Proportional to 161,727.70, 242,591.55 and 63,231.70

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Solution

The fourth proportional to 161,727.70, 242,591.55 and 63,231.70 is: 94,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,727.70 : 242,591.55 = 63,231.70 : x
  2. Step 2: Convert to fraction form
    161,727.70/242,591.55 = 63,231.70/x
  3. Step 3: Cross multiply
    161,727.70x = 242,591.55 × 63,231.70
  4. Step 4: Simplify right side
    161,727.70x = 15,339,476,112.14
  5. Step 5: Solve for x
    x = 15,339,476,112.14/161,727.70
  6. Step 6: Final answer
    x = 94,847.55

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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.