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Finding the Fourth Proportional to 150,689.67, 225,890.73 and 50,798.31

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Solution

The fourth proportional to 150,689.67, 225,890.73 and 50,798.31 is: 76,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,689.67 : 225,890.73 = 50,798.31 : x
  2. Step 2: Convert to fraction form
    150,689.67/225,890.73 = 50,798.31/x
  3. Step 3: Cross multiply
    150,689.67x = 225,890.73 × 50,798.31
  4. Step 4: Simplify right side
    150,689.67x = 11,474,867,328.67
  5. Step 5: Solve for x
    x = 11,474,867,328.67/150,689.67
  6. Step 6: Final answer
    x = 76,149.00

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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.