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Finding the Fourth Proportional to 111,593.44, 154,008.44 and 63,203.97

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Solution

The fourth proportional to 111,593.44, 154,008.44 and 63,203.97 is: 87,226.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,593.44 : 154,008.44 = 63,203.97 : x
  2. Step 2: Convert to fraction form
    111,593.44/154,008.44 = 63,203.97/x
  3. Step 3: Cross multiply
    111,593.44x = 154,008.44 × 63,203.97
  4. Step 4: Simplify right side
    111,593.44x = 9,733,945,192.34
  5. Step 5: Solve for x
    x = 9,733,945,192.34/111,593.44
  6. Step 6: Final answer
    x = 87,226.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.