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Finding the Fourth Proportional to 100,953.20, 151,408.20 and 44,793.20

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Solution

The fourth proportional to 100,953.20, 151,408.20 and 44,793.20 is: 67,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,953.20 : 151,408.20 = 44,793.20 : x
  2. Step 2: Convert to fraction form
    100,953.20/151,408.20 = 44,793.20/x
  3. Step 3: Cross multiply
    100,953.20x = 151,408.20 × 44,793.20
  4. Step 4: Simplify right side
    100,953.20x = 6,782,057,784.24
  5. Step 5: Solve for x
    x = 6,782,057,784.24/100,953.20
  6. Step 6: Final answer
    x = 67,180.22

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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.