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Finding the Fourth Proportional to 192,808.23, 289,203.83 and 52,566.87

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Solution

The fourth proportional to 192,808.23, 289,203.83 and 52,566.87 is: 78,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,808.23 : 289,203.83 = 52,566.87 : x
  2. Step 2: Convert to fraction form
    192,808.23/289,203.83 = 52,566.87/x
  3. Step 3: Cross multiply
    192,808.23x = 289,203.83 × 52,566.87
  4. Step 4: Simplify right side
    192,808.23x = 15,202,539,872.28
  5. Step 5: Solve for x
    x = 15,202,539,872.28/192,808.23
  6. Step 6: Final answer
    x = 78,847.98

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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.