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Finding the Fourth Proportional to 276,086.10, 413,910.45 and 151,427.10

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Solution

The fourth proportional to 276,086.10, 413,910.45 and 151,427.10 is: 227,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,086.10 : 413,910.45 = 151,427.10 : x
  2. Step 2: Convert to fraction form
    276,086.10/413,910.45 = 151,427.10/x
  3. Step 3: Cross multiply
    276,086.10x = 413,910.45 × 151,427.10
  4. Step 4: Simplify right side
    276,086.10x = 62,677,259,103.20
  5. Step 5: Solve for x
    x = 62,677,259,103.20/276,086.10
  6. Step 6: Final answer
    x = 227,020.70

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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.