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Finding the Fourth Proportional to 100,551.49, 150,846.68 and 38,217.13

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Solution

The fourth proportional to 100,551.49, 150,846.68 and 38,217.13 is: 57,333.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,551.49 : 150,846.68 = 38,217.13 : x
  2. Step 2: Convert to fraction form
    100,551.49/150,846.68 = 38,217.13/x
  3. Step 3: Cross multiply
    100,551.49x = 150,846.68 × 38,217.13
  4. Step 4: Simplify right side
    100,551.49x = 5,764,926,234.31
  5. Step 5: Solve for x
    x = 5,764,926,234.31/100,551.49
  6. Step 6: Final answer
    x = 57,333.08

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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.