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Finding the Fourth Proportional to 192,222.99, 288,396.18 and 92,390.42

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Solution

The fourth proportional to 192,222.99, 288,396.18 and 92,390.42 is: 138,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,222.99 : 288,396.18 = 92,390.42 : x
  2. Step 2: Convert to fraction form
    192,222.99/288,396.18 = 92,390.42/x
  3. Step 3: Cross multiply
    192,222.99x = 288,396.18 × 92,390.42
  4. Step 4: Simplify right side
    192,222.99x = 26,645,044,917.59
  5. Step 5: Solve for x
    x = 26,645,044,917.59/192,222.99
  6. Step 6: Final answer
    x = 138,615.29

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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.