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Finding the Fourth Proportional to 150,630.49, 225,951.62 and 45,449.47

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Solution

The fourth proportional to 150,630.49, 225,951.62 and 45,449.47 is: 68,175.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,630.49 : 225,951.62 = 45,449.47 : x
  2. Step 2: Convert to fraction form
    150,630.49/225,951.62 = 45,449.47/x
  3. Step 3: Cross multiply
    150,630.49x = 225,951.62 × 45,449.47
  4. Step 4: Simplify right side
    150,630.49x = 10,269,381,374.64
  5. Step 5: Solve for x
    x = 10,269,381,374.64/150,630.49
  6. Step 6: Final answer
    x = 68,175.98

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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.