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Finding the Fourth Proportional to 100,048.44, 150,114.78 and 43,859.58

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Solution

The fourth proportional to 100,048.44, 150,114.78 and 43,859.58 is: 65,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,048.44 : 150,114.78 = 43,859.58 : x
  2. Step 2: Convert to fraction form
    100,048.44/150,114.78 = 43,859.58/x
  3. Step 3: Cross multiply
    100,048.44x = 150,114.78 × 43,859.58
  4. Step 4: Simplify right side
    100,048.44x = 6,583,971,202.59
  5. Step 5: Solve for x
    x = 6,583,971,202.59/100,048.44
  6. Step 6: Final answer
    x = 65,807.83

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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.