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Finding the Fourth Proportional to 194,614.62, 268,572.90 and 108,573

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Solution

The fourth proportional to 194,614.62, 268,572.90 and 108,573 is: 149,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,614.62 : 268,572.90 = 108,573 : x
  2. Step 2: Convert to fraction form
    194,614.62/268,572.90 = 108,573/x
  3. Step 3: Cross multiply
    194,614.62x = 268,572.90 × 108,573
  4. Step 4: Simplify right side
    194,614.62x = 29,159,765,471.70
  5. Step 5: Solve for x
    x = 29,159,765,471.70/194,614.62
  6. Step 6: Final answer
    x = 149,833.38

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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.