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Finding the Fourth Proportional to 200,814.88, 301,030.88 and 67,626.60

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Solution

The fourth proportional to 200,814.88, 301,030.88 and 67,626.60 is: 101,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,814.88 : 301,030.88 = 67,626.60 : x
  2. Step 2: Convert to fraction form
    200,814.88/301,030.88 = 67,626.60/x
  3. Step 3: Cross multiply
    200,814.88x = 301,030.88 × 67,626.60
  4. Step 4: Simplify right side
    200,814.88x = 20,357,694,909.41
  5. Step 5: Solve for x
    x = 20,357,694,909.41/200,814.88
  6. Step 6: Final answer
    x = 101,375.43

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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.