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Finding the Fourth Proportional to 104,588.55, 156,949.56 and 38,022.30

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Solution

The fourth proportional to 104,588.55, 156,949.56 and 38,022.30 is: 57,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,588.55 : 156,949.56 = 38,022.30 : x
  2. Step 2: Convert to fraction form
    104,588.55/156,949.56 = 38,022.30/x
  3. Step 3: Cross multiply
    104,588.55x = 156,949.56 × 38,022.30
  4. Step 4: Simplify right side
    104,588.55x = 5,967,583,255.19
  5. Step 5: Solve for x
    x = 5,967,583,255.19/104,588.55
  6. Step 6: Final answer
    x = 57,057.71

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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.