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Finding the Fourth Proportional to 104,059.30, 156,073.11 and 33,938.50

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Solution

The fourth proportional to 104,059.30, 156,073.11 and 33,938.50 is: 50,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,059.30 : 156,073.11 = 33,938.50 : x
  2. Step 2: Convert to fraction form
    104,059.30/156,073.11 = 33,938.50/x
  3. Step 3: Cross multiply
    104,059.30x = 156,073.11 × 33,938.50
  4. Step 4: Simplify right side
    104,059.30x = 5,296,887,243.74
  5. Step 5: Solve for x
    x = 5,296,887,243.74/104,059.30
  6. Step 6: Final answer
    x = 50,902.58

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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.