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Finding the Fourth Proportional to 367,427.80, 551,012.10 and 167,843.80

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Solution

The fourth proportional to 367,427.80, 551,012.10 and 167,843.80 is: 251,706.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,427.80 : 551,012.10 = 167,843.80 : x
  2. Step 2: Convert to fraction form
    367,427.80/551,012.10 = 167,843.80/x
  3. Step 3: Cross multiply
    367,427.80x = 551,012.10 × 167,843.80
  4. Step 4: Simplify right side
    367,427.80x = 92,483,964,709.98
  5. Step 5: Solve for x
    x = 92,483,964,709.98/367,427.80
  6. Step 6: Final answer
    x = 251,706.50

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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.