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Finding the Fourth Proportional to 267,668.82, 401,076.36 and 141,303.96

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Solution

The fourth proportional to 267,668.82, 401,076.36 and 141,303.96 is: 211,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,668.82 : 401,076.36 = 141,303.96 : x
  2. Step 2: Convert to fraction form
    267,668.82/401,076.36 = 141,303.96/x
  3. Step 3: Cross multiply
    267,668.82x = 401,076.36 × 141,303.96
  4. Step 4: Simplify right side
    267,668.82x = 56,673,677,930.39
  5. Step 5: Solve for x
    x = 56,673,677,930.39/267,668.82
  6. Step 6: Final answer
    x = 211,730.59

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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.