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Finding the Fourth Proportional to 200,190.66, 276,269.79 and 109,544.67

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Solution

The fourth proportional to 200,190.66, 276,269.79 and 109,544.67 is: 151,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,190.66 : 276,269.79 = 109,544.67 : x
  2. Step 2: Convert to fraction form
    200,190.66/276,269.79 = 109,544.67/x
  3. Step 3: Cross multiply
    200,190.66x = 276,269.79 × 109,544.67
  4. Step 4: Simplify right side
    200,190.66x = 30,263,882,771.12
  5. Step 5: Solve for x
    x = 30,263,882,771.12/200,190.66
  6. Step 6: Final answer
    x = 151,175.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.