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Finding the Fourth Proportional to 379,236.68, 568,937.13 and 113,018.63

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Solution

The fourth proportional to 379,236.68, 568,937.13 and 113,018.63 is: 169,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,236.68 : 568,937.13 = 113,018.63 : x
  2. Step 2: Convert to fraction form
    379,236.68/568,937.13 = 113,018.63/x
  3. Step 3: Cross multiply
    379,236.68x = 568,937.13 × 113,018.63
  4. Step 4: Simplify right side
    379,236.68x = 64,300,494,988.73
  5. Step 5: Solve for x
    x = 64,300,494,988.73/379,236.68
  6. Step 6: Final answer
    x = 169,552.42

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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.