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Finding the Fourth Proportional to 121,763.73, 182,645.13 and 33,016.98

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Solution

The fourth proportional to 121,763.73, 182,645.13 and 33,016.98 is: 49,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,763.73 : 182,645.13 = 33,016.98 : x
  2. Step 2: Convert to fraction form
    121,763.73/182,645.13 = 33,016.98/x
  3. Step 3: Cross multiply
    121,763.73x = 182,645.13 × 33,016.98
  4. Step 4: Simplify right side
    121,763.73x = 6,030,390,604.31
  5. Step 5: Solve for x
    x = 6,030,390,604.31/121,763.73
  6. Step 6: Final answer
    x = 49,525.34

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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.