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Finding the Fourth Proportional to 156,224, 234,204.57 and 126,568.28

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Solution

The fourth proportional to 156,224, 234,204.57 and 126,568.28 is: 189,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,224 : 234,204.57 = 126,568.28 : x
  2. Step 2: Convert to fraction form
    156,224/234,204.57 = 126,568.28/x
  3. Step 3: Cross multiply
    156,224x = 234,204.57 × 126,568.28
  4. Step 4: Simplify right side
    156,224x = 29,642,869,593.04
  5. Step 5: Solve for x
    x = 29,642,869,593.04/156,224
  6. Step 6: Final answer
    x = 189,745.94

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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.