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Finding the Fourth Proportional to 200,425.02, 300,665.14 and 67,343.30

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Solution

The fourth proportional to 200,425.02, 300,665.14 and 67,343.30 is: 101,024.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,425.02 : 300,665.14 = 67,343.30 : x
  2. Step 2: Convert to fraction form
    200,425.02/300,665.14 = 67,343.30/x
  3. Step 3: Cross multiply
    200,425.02x = 300,665.14 × 67,343.30
  4. Step 4: Simplify right side
    200,425.02x = 20,247,782,722.56
  5. Step 5: Solve for x
    x = 20,247,782,722.56/200,425.02
  6. Step 6: Final answer
    x = 101,024.23

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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.