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Finding the Fourth Proportional to 133,976.05, 200,776.42 and 100,674.88

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Solution

The fourth proportional to 133,976.05, 200,776.42 and 100,674.88 is: 150,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,976.05 : 200,776.42 = 100,674.88 : x
  2. Step 2: Convert to fraction form
    133,976.05/200,776.42 = 100,674.88/x
  3. Step 3: Cross multiply
    133,976.05x = 200,776.42 × 100,674.88
  4. Step 4: Simplify right side
    133,976.05x = 20,213,140,483.07
  5. Step 5: Solve for x
    x = 20,213,140,483.07/133,976.05
  6. Step 6: Final answer
    x = 150,871.30

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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.