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Finding the Fourth Proportional to 100,495.92, 150,747.12 and 50,548.76

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Solution

The fourth proportional to 100,495.92, 150,747.12 and 50,548.76 is: 75,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,495.92 : 150,747.12 = 50,548.76 : x
  2. Step 2: Convert to fraction form
    100,495.92/150,747.12 = 50,548.76/x
  3. Step 3: Cross multiply
    100,495.92x = 150,747.12 × 50,548.76
  4. Step 4: Simplify right side
    100,495.92x = 7,620,079,989.57
  5. Step 5: Solve for x
    x = 7,620,079,989.57/100,495.92
  6. Step 6: Final answer
    x = 75,824.77

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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.