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Finding the Fourth Proportional to 200,380.50, 276,525.09 and 110,956.50

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Solution

The fourth proportional to 200,380.50, 276,525.09 and 110,956.50 is: 153,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,380.50 : 276,525.09 = 110,956.50 : x
  2. Step 2: Convert to fraction form
    200,380.50/276,525.09 = 110,956.50/x
  3. Step 3: Cross multiply
    200,380.50x = 276,525.09 × 110,956.50
  4. Step 4: Simplify right side
    200,380.50x = 30,682,256,148.59
  5. Step 5: Solve for x
    x = 30,682,256,148.59/200,380.50
  6. Step 6: Final answer
    x = 153,119.97

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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.