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Finding the Fourth Proportional to 267,252.66, 400,911.96 and 87,333.84

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Solution

The fourth proportional to 267,252.66, 400,911.96 and 87,333.84 is: 131,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,252.66 : 400,911.96 = 87,333.84 : x
  2. Step 2: Convert to fraction form
    267,252.66/400,911.96 = 87,333.84/x
  3. Step 3: Cross multiply
    267,252.66x = 400,911.96 × 87,333.84
  4. Step 4: Simplify right side
    267,252.66x = 35,013,180,968.73
  5. Step 5: Solve for x
    x = 35,013,180,968.73/267,252.66
  6. Step 6: Final answer
    x = 131,011.53

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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.