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Finding the Fourth Proportional to 150,131.96, 224,999.22 and 79,859.96

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Solution

The fourth proportional to 150,131.96, 224,999.22 and 79,859.96 is: 119,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,131.96 : 224,999.22 = 79,859.96 : x
  2. Step 2: Convert to fraction form
    150,131.96/224,999.22 = 79,859.96/x
  3. Step 3: Cross multiply
    150,131.96x = 224,999.22 × 79,859.96
  4. Step 4: Simplify right side
    150,131.96x = 17,968,428,709.23
  5. Step 5: Solve for x
    x = 17,968,428,709.23/150,131.96
  6. Step 6: Final answer
    x = 119,684.23

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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.