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Finding the Fourth Proportional to 253,145.37, 379,026.36 and 182,138.97

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Solution

The fourth proportional to 253,145.37, 379,026.36 and 182,138.97 is: 272,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,145.37 : 379,026.36 = 182,138.97 : x
  2. Step 2: Convert to fraction form
    253,145.37/379,026.36 = 182,138.97/x
  3. Step 3: Cross multiply
    253,145.37x = 379,026.36 × 182,138.97
  4. Step 4: Simplify right side
    253,145.37x = 69,035,470,813.25
  5. Step 5: Solve for x
    x = 69,035,470,813.25/253,145.37
  6. Step 6: Final answer
    x = 272,710.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.