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Finding the Fourth Proportional to 200,694.04, 300,830.33 and 67,528.07

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Solution

The fourth proportional to 200,694.04, 300,830.33 and 67,528.07 is: 101,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,694.04 : 300,830.33 = 67,528.07 : x
  2. Step 2: Convert to fraction form
    200,694.04/300,830.33 = 67,528.07/x
  3. Step 3: Cross multiply
    200,694.04x = 300,830.33 × 67,528.07
  4. Step 4: Simplify right side
    200,694.04x = 20,314,491,582.36
  5. Step 5: Solve for x
    x = 20,314,491,582.36/200,694.04
  6. Step 6: Final answer
    x = 101,221.20

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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.