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Finding the Fourth Proportional to 365,100.90, 547,388.73 and 165,318.45

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Solution

The fourth proportional to 365,100.90, 547,388.73 and 165,318.45 is: 247,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,100.90 : 547,388.73 = 165,318.45 : x
  2. Step 2: Convert to fraction form
    365,100.90/547,388.73 = 165,318.45/x
  3. Step 3: Cross multiply
    365,100.90x = 547,388.73 × 165,318.45
  4. Step 4: Simplify right side
    365,100.90x = 90,493,456,391.07
  5. Step 5: Solve for x
    x = 90,493,456,391.07/365,100.90
  6. Step 6: Final answer
    x = 247,858.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.