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Finding the Fourth Proportional to 103,267.80, 154,917.84 and 44,103.78

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Solution

The fourth proportional to 103,267.80, 154,917.84 and 44,103.78 is: 66,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,267.80 : 154,917.84 = 44,103.78 : x
  2. Step 2: Convert to fraction form
    103,267.80/154,917.84 = 44,103.78/x
  3. Step 3: Cross multiply
    103,267.80x = 154,917.84 × 44,103.78
  4. Step 4: Simplify right side
    103,267.80x = 6,832,462,333.44
  5. Step 5: Solve for x
    x = 6,832,462,333.44/103,267.80
  6. Step 6: Final answer
    x = 66,162.56

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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.