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Finding the Fourth Proportional to 253,755.84, 350,178.24 and 140,579.52

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Solution

The fourth proportional to 253,755.84, 350,178.24 and 140,579.52 is: 193,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,755.84 : 350,178.24 = 140,579.52 : x
  2. Step 2: Convert to fraction form
    253,755.84/350,178.24 = 140,579.52/x
  3. Step 3: Cross multiply
    253,755.84x = 350,178.24 × 140,579.52
  4. Step 4: Simplify right side
    253,755.84x = 49,227,888,893.64
  5. Step 5: Solve for x
    x = 49,227,888,893.64/253,755.84
  6. Step 6: Final answer
    x = 193,997.07

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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.