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Finding the Fourth Proportional to 182,891.80, 274,556.40 and 102,993.40

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Solution

The fourth proportional to 182,891.80, 274,556.40 and 102,993.40 is: 154,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,891.80 : 274,556.40 = 102,993.40 : x
  2. Step 2: Convert to fraction form
    182,891.80/274,556.40 = 102,993.40/x
  3. Step 3: Cross multiply
    182,891.80x = 274,556.40 × 102,993.40
  4. Step 4: Simplify right side
    182,891.80x = 28,277,497,127.76
  5. Step 5: Solve for x
    x = 28,277,497,127.76/182,891.80
  6. Step 6: Final answer
    x = 154,613.26

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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.