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Finding the Fourth Proportional to 179,600.70, 269,433.45 and 90,630.30

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Solution

The fourth proportional to 179,600.70, 269,433.45 and 90,630.30 is: 135,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,600.70 : 269,433.45 = 90,630.30 : x
  2. Step 2: Convert to fraction form
    179,600.70/269,433.45 = 90,630.30/x
  3. Step 3: Cross multiply
    179,600.70x = 269,433.45 × 90,630.30
  4. Step 4: Simplify right side
    179,600.70x = 24,418,834,403.54
  5. Step 5: Solve for x
    x = 24,418,834,403.54/179,600.70
  6. Step 6: Final answer
    x = 135,961.80

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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.