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Finding the Fourth Proportional to 104,309.75, 156,476.84 and 33,207.48

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Solution

The fourth proportional to 104,309.75, 156,476.84 and 33,207.48 is: 49,815.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,309.75 : 156,476.84 = 33,207.48 : x
  2. Step 2: Convert to fraction form
    104,309.75/156,476.84 = 33,207.48/x
  3. Step 3: Cross multiply
    104,309.75x = 156,476.84 × 33,207.48
  4. Step 4: Simplify right side
    104,309.75x = 5,196,201,368.73
  5. Step 5: Solve for x
    x = 5,196,201,368.73/104,309.75
  6. Step 6: Final answer
    x = 49,815.11

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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.