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Finding the Fourth Proportional to 104,633.56, 156,928.14 and 34,496.20

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Solution

The fourth proportional to 104,633.56, 156,928.14 and 34,496.20 is: 51,736.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,633.56 : 156,928.14 = 34,496.20 : x
  2. Step 2: Convert to fraction form
    104,633.56/156,928.14 = 34,496.20/x
  3. Step 3: Cross multiply
    104,633.56x = 156,928.14 × 34,496.20
  4. Step 4: Simplify right side
    104,633.56x = 5,413,424,503.07
  5. Step 5: Solve for x
    x = 5,413,424,503.07/104,633.56
  6. Step 6: Final answer
    x = 51,736.98

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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.