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Finding the Fourth Proportional to 259,861.94, 358,609.44 and 140,629.94

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Solution

The fourth proportional to 259,861.94, 358,609.44 and 140,629.94 is: 194,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,861.94 : 358,609.44 = 140,629.94 : x
  2. Step 2: Convert to fraction form
    259,861.94/358,609.44 = 140,629.94/x
  3. Step 3: Cross multiply
    259,861.94x = 358,609.44 × 140,629.94
  4. Step 4: Simplify right side
    259,861.94x = 50,431,224,109.73
  5. Step 5: Solve for x
    x = 50,431,224,109.73/259,861.94
  6. Step 6: Final answer
    x = 194,069.30

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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.