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Finding the Fourth Proportional to 115,049.70, 172,504.08 and 44,847

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Solution

The fourth proportional to 115,049.70, 172,504.08 and 44,847 is: 67,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,049.70 : 172,504.08 = 44,847 : x
  2. Step 2: Convert to fraction form
    115,049.70/172,504.08 = 44,847/x
  3. Step 3: Cross multiply
    115,049.70x = 172,504.08 × 44,847
  4. Step 4: Simplify right side
    115,049.70x = 7,736,290,475.76
  5. Step 5: Solve for x
    x = 7,736,290,475.76/115,049.70
  6. Step 6: Final answer
    x = 67,243.03

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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.