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Finding the Fourth Proportional to 253,771.48, 350,203.02 and 140,593.96

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Solution

The fourth proportional to 253,771.48, 350,203.02 and 140,593.96 is: 194,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,771.48 : 350,203.02 = 140,593.96 : x
  2. Step 2: Convert to fraction form
    253,771.48/350,203.02 = 140,593.96/x
  3. Step 3: Cross multiply
    253,771.48x = 350,203.02 × 140,593.96
  4. Step 4: Simplify right side
    253,771.48x = 49,236,429,385.76
  5. Step 5: Solve for x
    x = 49,236,429,385.76/253,771.48
  6. Step 6: Final answer
    x = 194,018.77

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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.