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Finding the Fourth Proportional to 133,797.88, 200,671.24 and 67,219.56

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Solution

The fourth proportional to 133,797.88, 200,671.24 and 67,219.56 is: 100,816.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,797.88 : 200,671.24 = 67,219.56 : x
  2. Step 2: Convert to fraction form
    133,797.88/200,671.24 = 67,219.56/x
  3. Step 3: Cross multiply
    133,797.88x = 200,671.24 × 67,219.56
  4. Step 4: Simplify right side
    133,797.88x = 13,489,032,457.45
  5. Step 5: Solve for x
    x = 13,489,032,457.45/133,797.88
  6. Step 6: Final answer
    x = 100,816.49

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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.