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Finding the Fourth Proportional to 103,238.45, 154,839.16 and 27,337.47

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Solution

The fourth proportional to 103,238.45, 154,839.16 and 27,337.47 is: 41,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,238.45 : 154,839.16 = 27,337.47 : x
  2. Step 2: Convert to fraction form
    103,238.45/154,839.16 = 27,337.47/x
  3. Step 3: Cross multiply
    103,238.45x = 154,839.16 × 27,337.47
  4. Step 4: Simplify right side
    103,238.45x = 4,232,910,891.33
  5. Step 5: Solve for x
    x = 4,232,910,891.33/103,238.45
  6. Step 6: Final answer
    x = 41,001.30

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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.