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Finding the Fourth Proportional to 104,397.68, 156,544.60 and 33,311

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Solution

The fourth proportional to 104,397.68, 156,544.60 and 33,311 is: 49,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,397.68 : 156,544.60 = 33,311 : x
  2. Step 2: Convert to fraction form
    104,397.68/156,544.60 = 33,311/x
  3. Step 3: Cross multiply
    104,397.68x = 156,544.60 × 33,311
  4. Step 4: Simplify right side
    104,397.68x = 5,214,657,170.60
  5. Step 5: Solve for x
    x = 5,214,657,170.60/104,397.68
  6. Step 6: Final answer
    x = 49,949.93

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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.