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Finding the Fourth Proportional to 254,172.42, 350,769.42 and 140,995.26

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Solution

The fourth proportional to 254,172.42, 350,769.42 and 140,995.26 is: 194,579.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,172.42 : 350,769.42 = 140,995.26 : x
  2. Step 2: Convert to fraction form
    254,172.42/350,769.42 = 140,995.26/x
  3. Step 3: Cross multiply
    254,172.42x = 350,769.42 × 140,995.26
  4. Step 4: Simplify right side
    254,172.42x = 49,456,825,572.95
  5. Step 5: Solve for x
    x = 49,456,825,572.95/254,172.42
  6. Step 6: Final answer
    x = 194,579.83

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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.