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Finding the Fourth Proportional to 119,672.87, 179,494.38 and 35,431.22

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Solution

The fourth proportional to 119,672.87, 179,494.38 and 35,431.22 is: 53,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,672.87 : 179,494.38 = 35,431.22 : x
  2. Step 2: Convert to fraction form
    119,672.87/179,494.38 = 35,431.22/x
  3. Step 3: Cross multiply
    119,672.87x = 179,494.38 × 35,431.22
  4. Step 4: Simplify right side
    119,672.87x = 6,359,705,315.28
  5. Step 5: Solve for x
    x = 6,359,705,315.28/119,672.87
  6. Step 6: Final answer
    x = 53,142.42

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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.