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Finding the Fourth Proportional to 104,770.98, 157,171.20 and 33,669.78

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Solution

The fourth proportional to 104,770.98, 157,171.20 and 33,669.78 is: 50,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,770.98 : 157,171.20 = 33,669.78 : x
  2. Step 2: Convert to fraction form
    104,770.98/157,171.20 = 33,669.78/x
  3. Step 3: Cross multiply
    104,770.98x = 157,171.20 × 33,669.78
  4. Step 4: Simplify right side
    104,770.98x = 5,291,919,726.34
  5. Step 5: Solve for x
    x = 5,291,919,726.34/104,770.98
  6. Step 6: Final answer
    x = 50,509.40

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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.