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Finding the Fourth Proportional to 100,809.56, 151,223.76 and 29,732.27

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Solution

The fourth proportional to 100,809.56, 151,223.76 and 29,732.27 is: 44,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,809.56 : 151,223.76 = 29,732.27 : x
  2. Step 2: Convert to fraction form
    100,809.56/151,223.76 = 29,732.27/x
  3. Step 3: Cross multiply
    100,809.56x = 151,223.76 × 29,732.27
  4. Step 4: Simplify right side
    100,809.56x = 4,496,224,906.62
  5. Step 5: Solve for x
    x = 4,496,224,906.62/100,809.56
  6. Step 6: Final answer
    x = 44,601.17

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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.