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Finding the Fourth Proportional to 192,389.66, 288,576.29 and 187,884.44

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Solution

The fourth proportional to 192,389.66, 288,576.29 and 187,884.44 is: 281,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,389.66 : 288,576.29 = 187,884.44 : x
  2. Step 2: Convert to fraction form
    192,389.66/288,576.29 = 187,884.44/x
  3. Step 3: Cross multiply
    192,389.66x = 288,576.29 × 187,884.44
  4. Step 4: Simplify right side
    192,389.66x = 54,218,995,319.31
  5. Step 5: Solve for x
    x = 54,218,995,319.31/192,389.66
  6. Step 6: Final answer
    x = 281,818.65

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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.