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Finding the Fourth Proportional to 194,765.87, 292,181.11 and 68,373.33

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Solution

The fourth proportional to 194,765.87, 292,181.11 and 68,373.33 is: 102,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,765.87 : 292,181.11 = 68,373.33 : x
  2. Step 2: Convert to fraction form
    194,765.87/292,181.11 = 68,373.33/x
  3. Step 3: Cross multiply
    194,765.87x = 292,181.11 × 68,373.33
  4. Step 4: Simplify right side
    194,765.87x = 19,977,395,624.73
  5. Step 5: Solve for x
    x = 19,977,395,624.73/194,765.87
  6. Step 6: Final answer
    x = 102,571.34

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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.