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Finding the Fourth Proportional to 161,470.81, 242,230.82 and 82,558.38

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Solution

The fourth proportional to 161,470.81, 242,230.82 and 82,558.38 is: 123,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,470.81 : 242,230.82 = 82,558.38 : x
  2. Step 2: Convert to fraction form
    161,470.81/242,230.82 = 82,558.38/x
  3. Step 3: Cross multiply
    161,470.81x = 242,230.82 × 82,558.38
  4. Step 4: Simplify right side
    161,470.81x = 19,998,183,672.48
  5. Step 5: Solve for x
    x = 19,998,183,672.48/161,470.81
  6. Step 6: Final answer
    x = 123,850.15

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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.