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Finding the Fourth Proportional to 100,007.16, 150,016.22 and 29,891.94

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Solution

The fourth proportional to 100,007.16, 150,016.22 and 29,891.94 is: 44,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,007.16 : 150,016.22 = 29,891.94 : x
  2. Step 2: Convert to fraction form
    100,007.16/150,016.22 = 29,891.94/x
  3. Step 3: Cross multiply
    100,007.16x = 150,016.22 × 29,891.94
  4. Step 4: Simplify right side
    100,007.16x = 4,484,275,247.34
  5. Step 5: Solve for x
    x = 4,484,275,247.34/100,007.16
  6. Step 6: Final answer
    x = 44,839.54

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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.