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Finding the Fourth Proportional to 104,525.88, 156,799.20 and 33,430.66

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Solution

The fourth proportional to 104,525.88, 156,799.20 and 33,430.66 is: 50,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,525.88 : 156,799.20 = 33,430.66 : x
  2. Step 2: Convert to fraction form
    104,525.88/156,799.20 = 33,430.66/x
  3. Step 3: Cross multiply
    104,525.88x = 156,799.20 × 33,430.66
  4. Step 4: Simplify right side
    104,525.88x = 5,241,900,743.47
  5. Step 5: Solve for x
    x = 5,241,900,743.47/104,525.88
  6. Step 6: Final answer
    x = 50,149.31

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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.