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Finding the Fourth Proportional to 253,744.50, 350,167.44 and 140,574.54

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Solution

The fourth proportional to 253,744.50, 350,167.44 and 140,574.54 is: 193,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,744.50 : 350,167.44 = 140,574.54 : x
  2. Step 2: Convert to fraction form
    253,744.50/350,167.44 = 140,574.54/x
  3. Step 3: Cross multiply
    253,744.50x = 350,167.44 × 140,574.54
  4. Step 4: Simplify right side
    253,744.50x = 49,224,626,800.98
  5. Step 5: Solve for x
    x = 49,224,626,800.98/253,744.50
  6. Step 6: Final answer
    x = 193,992.88

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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.