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Finding the Fourth Proportional to 275,168.80, 379,732.82 and 160,452.48

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Solution

The fourth proportional to 275,168.80, 379,732.82 and 160,452.48 is: 221,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,168.80 : 379,732.82 = 160,452.48 : x
  2. Step 2: Convert to fraction form
    275,168.80/379,732.82 = 160,452.48/x
  3. Step 3: Cross multiply
    275,168.80x = 379,732.82 × 160,452.48
  4. Step 4: Simplify right side
    275,168.80x = 60,929,072,706.39
  5. Step 5: Solve for x
    x = 60,929,072,706.39/275,168.80
  6. Step 6: Final answer
    x = 221,424.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.