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Finding the Fourth Proportional to 200,213.77, 300,347.08 and 73,942.77

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Solution

The fourth proportional to 200,213.77, 300,347.08 and 73,942.77 is: 110,923.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,213.77 : 300,347.08 = 73,942.77 : x
  2. Step 2: Convert to fraction form
    200,213.77/300,347.08 = 73,942.77/x
  3. Step 3: Cross multiply
    200,213.77x = 300,347.08 × 73,942.77
  4. Step 4: Simplify right side
    200,213.77x = 22,208,493,554.88
  5. Step 5: Solve for x
    x = 22,208,493,554.88/200,213.77
  6. Step 6: Final answer
    x = 110,923.91

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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.