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Finding the Fourth Proportional to 150,555.94, 225,921.40 and 67,449.94

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Solution

The fourth proportional to 150,555.94, 225,921.40 and 67,449.94 is: 101,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,555.94 : 225,921.40 = 67,449.94 : x
  2. Step 2: Convert to fraction form
    150,555.94/225,921.40 = 67,449.94/x
  3. Step 3: Cross multiply
    150,555.94x = 225,921.40 × 67,449.94
  4. Step 4: Simplify right side
    150,555.94x = 15,238,384,141.29
  5. Step 5: Solve for x
    x = 15,238,384,141.29/150,555.94
  6. Step 6: Final answer
    x = 101,214.10

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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.