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Finding the Fourth Proportional to 253,026.11, 379,483.11 and 73,072.46

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Solution

The fourth proportional to 253,026.11, 379,483.11 and 73,072.46 is: 109,592.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,026.11 : 379,483.11 = 73,072.46 : x
  2. Step 2: Convert to fraction form
    253,026.11/379,483.11 = 73,072.46/x
  3. Step 3: Cross multiply
    253,026.11x = 379,483.11 × 73,072.46
  4. Step 4: Simplify right side
    253,026.11x = 27,729,765,324.86
  5. Step 5: Solve for x
    x = 27,729,765,324.86/253,026.11
  6. Step 6: Final answer
    x = 109,592.50

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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.