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Finding the Fourth Proportional to 194,914.80, 292,481.55 and 82,575.90

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Solution

The fourth proportional to 194,914.80, 292,481.55 and 82,575.90 is: 123,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,914.80 : 292,481.55 = 82,575.90 : x
  2. Step 2: Convert to fraction form
    194,914.80/292,481.55 = 82,575.90/x
  3. Step 3: Cross multiply
    194,914.80x = 292,481.55 × 82,575.90
  4. Step 4: Simplify right side
    194,914.80x = 24,151,927,224.65
  5. Step 5: Solve for x
    x = 24,151,927,224.65/194,914.80
  6. Step 6: Final answer
    x = 123,910.18

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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.