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Finding the Fourth Proportional to 367,456, 551,261.92 and 118,157.44

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Solution

The fourth proportional to 367,456, 551,261.92 and 118,157.44 is: 177,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,456 : 551,261.92 = 118,157.44 : x
  2. Step 2: Convert to fraction form
    367,456/551,261.92 = 118,157.44/x
  3. Step 3: Cross multiply
    367,456x = 551,261.92 × 118,157.44
  4. Step 4: Simplify right side
    367,456x = 65,135,697,236.68
  5. Step 5: Solve for x
    x = 65,135,697,236.68/367,456
  6. Step 6: Final answer
    x = 177,261.22

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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.