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Finding the Fourth Proportional to 161,367.87, 222,674.43 and 93,389.82

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Solution

The fourth proportional to 161,367.87, 222,674.43 and 93,389.82 is: 128,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,367.87 : 222,674.43 = 93,389.82 : x
  2. Step 2: Convert to fraction form
    161,367.87/222,674.43 = 93,389.82/x
  3. Step 3: Cross multiply
    161,367.87x = 222,674.43 × 93,389.82
  4. Step 4: Simplify right side
    161,367.87x = 20,795,524,936.30
  5. Step 5: Solve for x
    x = 20,795,524,936.30/161,367.87
  6. Step 6: Final answer
    x = 128,870.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.