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Finding the Fourth Proportional to 192,773.01, 288,952.66 and 80,368.50

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Solution

The fourth proportional to 192,773.01, 288,952.66 and 80,368.50 is: 120,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,773.01 : 288,952.66 = 80,368.50 : x
  2. Step 2: Convert to fraction form
    192,773.01/288,952.66 = 80,368.50/x
  3. Step 3: Cross multiply
    192,773.01x = 288,952.66 × 80,368.50
  4. Step 4: Simplify right side
    192,773.01x = 23,222,691,855.21
  5. Step 5: Solve for x
    x = 23,222,691,855.21/192,773.01
  6. Step 6: Final answer
    x = 120,466.51

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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.