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Finding the Fourth Proportional to 133,815.72, 200,736 and 95,507.58

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Solution

The fourth proportional to 133,815.72, 200,736 and 95,507.58 is: 143,270.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,815.72 : 200,736 = 95,507.58 : x
  2. Step 2: Convert to fraction form
    133,815.72/200,736 = 95,507.58/x
  3. Step 3: Cross multiply
    133,815.72x = 200,736 × 95,507.58
  4. Step 4: Simplify right side
    133,815.72x = 19,171,809,578.88
  5. Step 5: Solve for x
    x = 19,171,809,578.88/133,815.72
  6. Step 6: Final answer
    x = 143,270.23

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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.