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Finding the Fourth Proportional to 279,253.52, 418,906.24 and 113,054.48

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Solution

The fourth proportional to 279,253.52, 418,906.24 and 113,054.48 is: 169,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,253.52 : 418,906.24 = 113,054.48 : x
  2. Step 2: Convert to fraction form
    279,253.52/418,906.24 = 113,054.48/x
  3. Step 3: Cross multiply
    279,253.52x = 418,906.24 × 113,054.48
  4. Step 4: Simplify right side
    279,253.52x = 47,359,227,131.96
  5. Step 5: Solve for x
    x = 47,359,227,131.96/279,253.52
  6. Step 6: Final answer
    x = 169,592.23

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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.