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Finding the Fourth Proportional to 267,807.25, 401,704.65 and 68,127.77

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Solution

The fourth proportional to 267,807.25, 401,704.65 and 68,127.77 is: 102,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,807.25 : 401,704.65 = 68,127.77 : x
  2. Step 2: Convert to fraction form
    267,807.25/401,704.65 = 68,127.77/x
  3. Step 3: Cross multiply
    267,807.25x = 401,704.65 × 68,127.77
  4. Step 4: Simplify right side
    267,807.25x = 27,367,243,007.39
  5. Step 5: Solve for x
    x = 27,367,243,007.39/267,807.25
  6. Step 6: Final answer
    x = 102,190.07

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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.