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Finding the Fourth Proportional to 248,608.80, 373,238.42 and 147,591.27

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Solution

The fourth proportional to 248,608.80, 373,238.42 and 147,591.27 is: 221,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,608.80 : 373,238.42 = 147,591.27 : x
  2. Step 2: Convert to fraction form
    248,608.80/373,238.42 = 147,591.27/x
  3. Step 3: Cross multiply
    248,608.80x = 373,238.42 × 147,591.27
  4. Step 4: Simplify right side
    248,608.80x = 55,086,731,682.64
  5. Step 5: Solve for x
    x = 55,086,731,682.64/248,608.80
  6. Step 6: Final answer
    x = 221,579.97

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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.