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Finding the Fourth Proportional to 104,596.56, 156,961.56 and 38,030.30

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Solution

The fourth proportional to 104,596.56, 156,961.56 and 38,030.30 is: 57,069.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,596.56 : 156,961.56 = 38,030.30 : x
  2. Step 2: Convert to fraction form
    104,596.56/156,961.56 = 38,030.30/x
  3. Step 3: Cross multiply
    104,596.56x = 156,961.56 × 38,030.30
  4. Step 4: Simplify right side
    104,596.56x = 5,969,295,215.27
  5. Step 5: Solve for x
    x = 5,969,295,215.27/104,596.56
  6. Step 6: Final answer
    x = 57,069.71

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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.