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Finding the Fourth Proportional to 167,142.82, 250,720.23 and 54,825.70

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Solution

The fourth proportional to 167,142.82, 250,720.23 and 54,825.70 is: 82,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,142.82 : 250,720.23 = 54,825.70 : x
  2. Step 2: Convert to fraction form
    167,142.82/250,720.23 = 54,825.70/x
  3. Step 3: Cross multiply
    167,142.82x = 250,720.23 × 54,825.70
  4. Step 4: Simplify right side
    167,142.82x = 13,745,912,113.91
  5. Step 5: Solve for x
    x = 13,745,912,113.91/167,142.82
  6. Step 6: Final answer
    x = 82,240.52

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1.5x scale

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.