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Finding the Fourth Proportional to 267,424.64, 400,992.07 and 117,489.39

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Solution

The fourth proportional to 267,424.64, 400,992.07 and 117,489.39 is: 176,170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,424.64 : 400,992.07 = 117,489.39 : x
  2. Step 2: Convert to fraction form
    267,424.64/400,992.07 = 117,489.39/x
  3. Step 3: Cross multiply
    267,424.64x = 400,992.07 × 117,489.39
  4. Step 4: Simplify right side
    267,424.64x = 47,112,312,121.99
  5. Step 5: Solve for x
    x = 47,112,312,121.99/267,424.64
  6. Step 6: Final answer
    x = 176,170.42

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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.