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Finding the Fourth Proportional to 167,287.21, 250,940.56 and 47,334.12

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Solution

The fourth proportional to 167,287.21, 250,940.56 and 47,334.12 is: 71,003.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,287.21 : 250,940.56 = 47,334.12 : x
  2. Step 2: Convert to fraction form
    167,287.21/250,940.56 = 47,334.12/x
  3. Step 3: Cross multiply
    167,287.21x = 250,940.56 × 47,334.12
  4. Step 4: Simplify right side
    167,287.21x = 11,878,050,579.91
  5. Step 5: Solve for x
    x = 11,878,050,579.91/167,287.21
  6. Step 6: Final answer
    x = 71,003.94

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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.