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Finding the Fourth Proportional to 192,796.48, 289,186.21 and 52,555.11

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Solution

The fourth proportional to 192,796.48, 289,186.21 and 52,555.11 is: 78,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,796.48 : 289,186.21 = 52,555.11 : x
  2. Step 2: Convert to fraction form
    192,796.48/289,186.21 = 52,555.11/x
  3. Step 3: Cross multiply
    192,796.48x = 289,186.21 × 52,555.11
  4. Step 4: Simplify right side
    192,796.48x = 15,198,213,077.03
  5. Step 5: Solve for x
    x = 15,198,213,077.03/192,796.48
  6. Step 6: Final answer
    x = 78,830.35

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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.