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Finding the Fourth Proportional to 267,988.58, 401,991.90 and 134,796.22

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Solution

The fourth proportional to 267,988.58, 401,991.90 and 134,796.22 is: 202,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,988.58 : 401,991.90 = 134,796.22 : x
  2. Step 2: Convert to fraction form
    267,988.58/401,991.90 = 134,796.22/x
  3. Step 3: Cross multiply
    267,988.58x = 401,991.90 × 134,796.22
  4. Step 4: Simplify right side
    267,988.58x = 54,186,988,590.62
  5. Step 5: Solve for x
    x = 54,186,988,590.62/267,988.58
  6. Step 6: Final answer
    x = 202,198.87

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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.