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Finding the Fourth Proportional to 666,167.05, 999,241.30 and 160,723.79

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Solution

The fourth proportional to 666,167.05, 999,241.30 and 160,723.79 is: 241,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,167.05 : 999,241.30 = 160,723.79 : x
  2. Step 2: Convert to fraction form
    666,167.05/999,241.30 = 160,723.79/x
  3. Step 3: Cross multiply
    666,167.05x = 999,241.30 × 160,723.79
  4. Step 4: Simplify right side
    666,167.05x = 160,601,846,375.24
  5. Step 5: Solve for x
    x = 160,601,846,375.24/666,167.05
  6. Step 6: Final answer
    x = 241,083.44

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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.