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Finding the Fourth Proportional to 69,297.60, 104,042.40 and 44,491.20

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Solution

The fourth proportional to 69,297.60, 104,042.40 and 44,491.20 is: 66,798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,297.60 : 104,042.40 = 44,491.20 : x
  2. Step 2: Convert to fraction form
    69,297.60/104,042.40 = 44,491.20/x
  3. Step 3: Cross multiply
    69,297.60x = 104,042.40 × 44,491.20
  4. Step 4: Simplify right side
    69,297.60x = 4,628,971,226.88
  5. Step 5: Solve for x
    x = 4,628,971,226.88/69,297.60
  6. Step 6: Final answer
    x = 66,798.43

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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.