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Finding the Fourth Proportional to 192,776.73, 289,157.88 and 50,620.71

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Solution

The fourth proportional to 192,776.73, 289,157.88 and 50,620.71 is: 75,929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,776.73 : 289,157.88 = 50,620.71 : x
  2. Step 2: Convert to fraction form
    192,776.73/289,157.88 = 50,620.71/x
  3. Step 3: Cross multiply
    192,776.73x = 289,157.88 × 50,620.71
  4. Step 4: Simplify right side
    192,776.73x = 14,637,378,461.86
  5. Step 5: Solve for x
    x = 14,637,378,461.86/192,776.73
  6. Step 6: Final answer
    x = 75,929.18

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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.