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Finding the Fourth Proportional to 267,605.85, 401,068.58 and 109,655.85

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Solution

The fourth proportional to 267,605.85, 401,068.58 and 109,655.85 is: 164,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,605.85 : 401,068.58 = 109,655.85 : x
  2. Step 2: Convert to fraction form
    267,605.85/401,068.58 = 109,655.85/x
  3. Step 3: Cross multiply
    267,605.85x = 401,068.58 × 109,655.85
  4. Step 4: Simplify right side
    267,605.85x = 43,979,515,499.91
  5. Step 5: Solve for x
    x = 43,979,515,499.91/267,605.85
  6. Step 6: Final answer
    x = 164,344.37

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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.