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Finding the Fourth Proportional to 150,408.96, 225,613.44 and 71,480.13

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Solution

The fourth proportional to 150,408.96, 225,613.44 and 71,480.13 is: 107,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,408.96 : 225,613.44 = 71,480.13 : x
  2. Step 2: Convert to fraction form
    150,408.96/225,613.44 = 71,480.13/x
  3. Step 3: Cross multiply
    150,408.96x = 225,613.44 × 71,480.13
  4. Step 4: Simplify right side
    150,408.96x = 16,126,878,020.95
  5. Step 5: Solve for x
    x = 16,126,878,020.95/150,408.96
  6. Step 6: Final answer
    x = 107,220.20

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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.