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Finding the Fourth Proportional to 200,796.67, 300,784.94 and 112,097.42

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Solution

The fourth proportional to 200,796.67, 300,784.94 and 112,097.42 is: 167,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,796.67 : 300,784.94 = 112,097.42 : x
  2. Step 2: Convert to fraction form
    200,796.67/300,784.94 = 112,097.42/x
  3. Step 3: Cross multiply
    200,796.67x = 300,784.94 × 112,097.42
  4. Step 4: Simplify right side
    200,796.67x = 33,717,213,684.44
  5. Step 5: Solve for x
    x = 33,717,213,684.44/200,796.67
  6. Step 6: Final answer
    x = 167,917.20

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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.