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Finding the Fourth Proportional to 179,245.80, 268,868.70 and 100,513.80

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Solution

The fourth proportional to 179,245.80, 268,868.70 and 100,513.80 is: 150,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,245.80 : 268,868.70 = 100,513.80 : x
  2. Step 2: Convert to fraction form
    179,245.80/268,868.70 = 100,513.80/x
  3. Step 3: Cross multiply
    179,245.80x = 268,868.70 × 100,513.80
  4. Step 4: Simplify right side
    179,245.80x = 27,025,014,738.06
  5. Step 5: Solve for x
    x = 27,025,014,738.06/179,245.80
  6. Step 6: Final answer
    x = 150,770.70

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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.