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Finding the Fourth Proportional to 110,892.54, 166,404.68 and 40,821.06

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Solution

The fourth proportional to 110,892.54, 166,404.68 and 40,821.06 is: 61,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,892.54 : 166,404.68 = 40,821.06 : x
  2. Step 2: Convert to fraction form
    110,892.54/166,404.68 = 40,821.06/x
  3. Step 3: Cross multiply
    110,892.54x = 166,404.68 × 40,821.06
  4. Step 4: Simplify right side
    110,892.54x = 6,792,815,426.56
  5. Step 5: Solve for x
    x = 6,792,815,426.56/110,892.54
  6. Step 6: Final answer
    x = 61,255.84

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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.