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Finding the Fourth Proportional to 200,544.22, 300,613.90 and 125,716.92

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Solution

The fourth proportional to 200,544.22, 300,613.90 and 125,716.92 is: 188,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,544.22 : 300,613.90 = 125,716.92 : x
  2. Step 2: Convert to fraction form
    200,544.22/300,613.90 = 125,716.92/x
  3. Step 3: Cross multiply
    200,544.22x = 300,613.90 × 125,716.92
  4. Step 4: Simplify right side
    200,544.22x = 37,792,253,994.64
  5. Step 5: Solve for x
    x = 37,792,253,994.64/200,544.22
  6. Step 6: Final answer
    x = 188,448.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.