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Finding the Fourth Proportional to 300,793.50, 415,095.08 and 179,939.88

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Solution

The fourth proportional to 300,793.50, 415,095.08 and 179,939.88 is: 248,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,793.50 : 415,095.08 = 179,939.88 : x
  2. Step 2: Convert to fraction form
    300,793.50/415,095.08 = 179,939.88/x
  3. Step 3: Cross multiply
    300,793.50x = 415,095.08 × 179,939.88
  4. Step 4: Simplify right side
    300,793.50x = 74,692,157,984.09
  5. Step 5: Solve for x
    x = 74,692,157,984.09/300,793.50
  6. Step 6: Final answer
    x = 248,317.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.