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Finding the Fourth Proportional to 192,175.80, 287,826.30 and 187,801.80

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Solution

The fourth proportional to 192,175.80, 287,826.30 and 187,801.80 is: 281,275.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,175.80 : 287,826.30 = 187,801.80 : x
  2. Step 2: Convert to fraction form
    192,175.80/287,826.30 = 187,801.80/x
  3. Step 3: Cross multiply
    192,175.80x = 287,826.30 × 187,801.80
  4. Step 4: Simplify right side
    192,175.80x = 54,054,297,227.34
  5. Step 5: Solve for x
    x = 54,054,297,227.34/192,175.80
  6. Step 6: Final answer
    x = 281,275.26

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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.