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Finding the Fourth Proportional to 104,555.82, 156,833.74 and 37,983.54

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Solution

The fourth proportional to 104,555.82, 156,833.74 and 37,983.54 is: 56,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,555.82 : 156,833.74 = 37,983.54 : x
  2. Step 2: Convert to fraction form
    104,555.82/156,833.74 = 37,983.54/x
  3. Step 3: Cross multiply
    104,555.82x = 156,833.74 × 37,983.54
  4. Step 4: Simplify right side
    104,555.82x = 5,957,100,636.64
  5. Step 5: Solve for x
    x = 5,957,100,636.64/104,555.82
  6. Step 6: Final answer
    x = 56,975.31

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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.