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Finding the Fourth Proportional to 150,938.80, 226,408.20 and 72,206.80

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Solution

The fourth proportional to 150,938.80, 226,408.20 and 72,206.80 is: 108,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,938.80 : 226,408.20 = 72,206.80 : x
  2. Step 2: Convert to fraction form
    150,938.80/226,408.20 = 72,206.80/x
  3. Step 3: Cross multiply
    150,938.80x = 226,408.20 × 72,206.80
  4. Step 4: Simplify right side
    150,938.80x = 16,348,211,615.76
  5. Step 5: Solve for x
    x = 16,348,211,615.76/150,938.80
  6. Step 6: Final answer
    x = 108,310.20

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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.