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Finding the Fourth Proportional to 119,940.45, 179,520.09 and 88,338.08

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Solution

The fourth proportional to 119,940.45, 179,520.09 and 88,338.08 is: 132,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,940.45 : 179,520.09 = 88,338.08 : x
  2. Step 2: Convert to fraction form
    119,940.45/179,520.09 = 88,338.08/x
  3. Step 3: Cross multiply
    119,940.45x = 179,520.09 × 88,338.08
  4. Step 4: Simplify right side
    119,940.45x = 15,858,459,174.43
  5. Step 5: Solve for x
    x = 15,858,459,174.43/119,940.45
  6. Step 6: Final answer
    x = 132,219.44

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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.