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Finding the Fourth Proportional to 169,198.18, 253,787.92 and 56,866.79

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Solution

The fourth proportional to 169,198.18, 253,787.92 and 56,866.79 is: 85,297.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,198.18 : 253,787.92 = 56,866.79 : x
  2. Step 2: Convert to fraction form
    169,198.18/253,787.92 = 56,866.79/x
  3. Step 3: Cross multiply
    169,198.18x = 253,787.92 × 56,866.79
  4. Step 4: Simplify right side
    169,198.18x = 14,432,104,843.48
  5. Step 5: Solve for x
    x = 14,432,104,843.48/169,198.18
  6. Step 6: Final answer
    x = 85,297.04

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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.