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Finding the Fourth Proportional to 192,503.45, 288,514.61 and 92,636.83

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Solution

The fourth proportional to 192,503.45, 288,514.61 and 92,636.83 is: 138,839.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,503.45 : 288,514.61 = 92,636.83 : x
  2. Step 2: Convert to fraction form
    192,503.45/288,514.61 = 92,636.83/x
  3. Step 3: Cross multiply
    192,503.45x = 288,514.61 × 92,636.83
  4. Step 4: Simplify right side
    192,503.45x = 26,727,079,123.93
  5. Step 5: Solve for x
    x = 26,727,079,123.93/192,503.45
  6. Step 6: Final answer
    x = 138,839.48

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1.5x scale

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.