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Finding the Fourth Proportional to 194,950.92, 268,919.92 and 117,372.56

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Solution

The fourth proportional to 194,950.92, 268,919.92 and 117,372.56 is: 161,906.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,950.92 : 268,919.92 = 117,372.56 : x
  2. Step 2: Convert to fraction form
    194,950.92/268,919.92 = 117,372.56/x
  3. Step 3: Cross multiply
    194,950.92x = 268,919.92 × 117,372.56
  4. Step 4: Simplify right side
    194,950.92x = 31,563,819,445.40
  5. Step 5: Solve for x
    x = 31,563,819,445.40/194,950.92
  6. Step 6: Final answer
    x = 161,906.49

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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.