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Finding the Fourth Proportional to 192,633.96, 289,008.18 and 92,765.28

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Solution

The fourth proportional to 192,633.96, 289,008.18 and 92,765.28 is: 139,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,633.96 : 289,008.18 = 92,765.28 : x
  2. Step 2: Convert to fraction form
    192,633.96/289,008.18 = 92,765.28/x
  3. Step 3: Cross multiply
    192,633.96x = 289,008.18 × 92,765.28
  4. Step 4: Simplify right side
    192,633.96x = 26,809,924,739.99
  5. Step 5: Solve for x
    x = 26,809,924,739.99/192,633.96
  6. Step 6: Final answer
    x = 139,175.48

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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.