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Finding the Fourth Proportional to 104,620.67, 156,928.09 and 38,062.02

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Solution

The fourth proportional to 104,620.67, 156,928.09 and 38,062.02 is: 57,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,620.67 : 156,928.09 = 38,062.02 : x
  2. Step 2: Convert to fraction form
    104,620.67/156,928.09 = 38,062.02/x
  3. Step 3: Cross multiply
    104,620.67x = 156,928.09 × 38,062.02
  4. Step 4: Simplify right side
    104,620.67x = 5,973,000,100.14
  5. Step 5: Solve for x
    x = 5,973,000,100.14/104,620.67
  6. Step 6: Final answer
    x = 57,091.97

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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.