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Finding the Fourth Proportional to 150,107.76, 225,157.32 and 37,787.76

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Solution

The fourth proportional to 150,107.76, 225,157.32 and 37,787.76 is: 56,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,107.76 : 225,157.32 = 37,787.76 : x
  2. Step 2: Convert to fraction form
    150,107.76/225,157.32 = 37,787.76/x
  3. Step 3: Cross multiply
    150,107.76x = 225,157.32 × 37,787.76
  4. Step 4: Simplify right side
    150,107.76x = 8,508,190,770.40
  5. Step 5: Solve for x
    x = 8,508,190,770.40/150,107.76
  6. Step 6: Final answer
    x = 56,680.55

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1.5x scale

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.