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Finding the Fourth Proportional to 121,692.85, 182,604.62 and 50,664.51

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Solution

The fourth proportional to 121,692.85, 182,604.62 and 50,664.51 is: 76,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,692.85 : 182,604.62 = 50,664.51 : x
  2. Step 2: Convert to fraction form
    121,692.85/182,604.62 = 50,664.51/x
  3. Step 3: Cross multiply
    121,692.85x = 182,604.62 × 50,664.51
  4. Step 4: Simplify right side
    121,692.85x = 9,251,574,093.78
  5. Step 5: Solve for x
    x = 9,251,574,093.78/121,692.85
  6. Step 6: Final answer
    x = 76,023.98

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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.