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Finding the Fourth Proportional to 150,630.12, 225,787.52 and 50,755.80

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Solution

The fourth proportional to 150,630.12, 225,787.52 and 50,755.80 is: 76,080.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,630.12 : 225,787.52 = 50,755.80 : x
  2. Step 2: Convert to fraction form
    150,630.12/225,787.52 = 50,755.80/x
  3. Step 3: Cross multiply
    150,630.12x = 225,787.52 × 50,755.80
  4. Step 4: Simplify right side
    150,630.12x = 11,460,025,953.84
  5. Step 5: Solve for x
    x = 11,460,025,953.84/150,630.12
  6. Step 6: Final answer
    x = 76,080.57

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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.