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Finding the Fourth Proportional to 100,480.40, 150,676.88 and 50,529.36

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Solution

The fourth proportional to 100,480.40, 150,676.88 and 50,529.36 is: 75,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,480.40 : 150,676.88 = 50,529.36 : x
  2. Step 2: Convert to fraction form
    100,480.40/150,676.88 = 50,529.36/x
  3. Step 3: Cross multiply
    100,480.40x = 150,676.88 × 50,529.36
  4. Step 4: Simplify right side
    100,480.40x = 7,613,606,313.20
  5. Step 5: Solve for x
    x = 7,613,606,313.20/100,480.40
  6. Step 6: Final answer
    x = 75,772.05

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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.